Home / 145,429,938-311,015,265

Finding the Third Proportional to 145,429,938 and 311,015,265

Calculator

Solution

The third proportional to 145,429,938 and 311,015,265 is: 665,134,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,429,938 : 311,015,265 = 311,015,265 : x
  2. Step 2: Convert to fraction form
    145,429,938/311,015,265 = 311,015,265/x
  3. Step 3: Cross multiply
    145,429,938x = 311,015,265 × 311,015,265
  4. Step 4: Simplify right side
    145,429,938x = 96,730,495,063,020,224
  5. Step 5: Solve for x
    x = 96,730,495,063,020,224/145,429,938
  6. Step 6: Final answer
    x = 665,134,678.55

Related Problems

Find third proportional to 72,714,969 and 155,507,632.50
Half scale
Find third proportional to 290,859,876 and 622,030,530
Double scale
Find third proportional to 145,429,940 and 311,015,269
Similar ratio
Find third proportional to 218,144,907 and 466,522,897.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.