Home / 139,958,442-310,980,951

Finding the Third Proportional to 139,958,442 and 310,980,951

Calculator

Solution

The third proportional to 139,958,442 and 310,980,951 is: 690,984,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,958,442 : 310,980,951 = 310,980,951 : x
  2. Step 2: Convert to fraction form
    139,958,442/310,980,951 = 310,980,951/x
  3. Step 3: Cross multiply
    139,958,442x = 310,980,951 × 310,980,951
  4. Step 4: Simplify right side
    139,958,442x = 96,709,151,884,864,400
  5. Step 5: Solve for x
    x = 96,709,151,884,864,400/139,958,442
  6. Step 6: Final answer
    x = 690,984,770.21

Related Problems

Find third proportional to 69,979,221 and 155,490,475.50
Half scale
Find third proportional to 279,916,884 and 621,961,902
Double scale
Find third proportional to 139,958,444 and 310,980,955
Similar ratio
Find third proportional to 209,937,663 and 466,471,426.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.