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Finding the Third Proportional to 5,121,428.13 and 10,716,375.94

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Solution

The third proportional to 5,121,428.13 and 10,716,375.94 is: 22,423,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,428.13 : 10,716,375.94 = 10,716,375.94 : x
  2. Step 2: Convert to fraction form
    5,121,428.13/10,716,375.94 = 10,716,375.94/x
  3. Step 3: Cross multiply
    5,121,428.13x = 10,716,375.94 × 10,716,375.94
  4. Step 4: Simplify right side
    5,121,428.13x = 114,840,713,233,829
  5. Step 5: Solve for x
    x = 114,840,713,233,829/5,121,428.13
  6. Step 6: Final answer
    x = 22,423,572.15

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.