Home / 31,266,109.69-67,914,568.13

Finding the Third Proportional to 31,266,109.69 and 67,914,568.13

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Solution

The third proportional to 31,266,109.69 and 67,914,568.13 is: 147,520,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266,109.69 : 67,914,568.13 = 67,914,568.13 : x
  2. Step 2: Convert to fraction form
    31,266,109.69/67,914,568.13 = 67,914,568.13/x
  3. Step 3: Cross multiply
    31,266,109.69x = 67,914,568.13 × 67,914,568.13
  4. Step 4: Simplify right side
    31,266,109.69x = 4,612,388,563,605,266
  5. Step 5: Solve for x
    x = 4,612,388,563,605,266/31,266,109.69
  6. Step 6: Final answer
    x = 147,520,385.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.