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Finding the Third Proportional to 9,138,653 and 20,071,022

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Solution

The third proportional to 9,138,653 and 20,071,022 is: 44,081,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,653 : 20,071,022 = 20,071,022 : x
  2. Step 2: Convert to fraction form
    9,138,653/20,071,022 = 20,071,022/x
  3. Step 3: Cross multiply
    9,138,653x = 20,071,022 × 20,071,022
  4. Step 4: Simplify right side
    9,138,653x = 402,845,924,124,484
  5. Step 5: Solve for x
    x = 402,845,924,124,484/9,138,653
  6. Step 6: Final answer
    x = 44,081,542.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.