Home / 72,047,139-155,036,361

Finding the Third Proportional to 72,047,139 and 155,036,361

Calculator

Solution

The third proportional to 72,047,139 and 155,036,361 is: 333,618,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,047,139 : 155,036,361 = 155,036,361 : x
  2. Step 2: Convert to fraction form
    72,047,139/155,036,361 = 155,036,361/x
  3. Step 3: Cross multiply
    72,047,139x = 155,036,361 × 155,036,361
  4. Step 4: Simplify right side
    72,047,139x = 24,036,273,232,122,320
  5. Step 5: Solve for x
    x = 24,036,273,232,122,320/72,047,139
  6. Step 6: Final answer
    x = 333,618,705.28

Related Problems

Find third proportional to 36,023,569.50 and 77,518,180.50
Half scale
Find third proportional to 144,094,278 and 310,072,722
Double scale
Find third proportional to 72,047,141 and 155,036,365
Similar ratio
Find third proportional to 108,070,708.50 and 232,554,541.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.