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Finding the Third Proportional to 20,917,020 and 45,307,344

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Solution

The third proportional to 20,917,020 and 45,307,344 is: 98,138,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,917,020 : 45,307,344 = 45,307,344 : x
  2. Step 2: Convert to fraction form
    20,917,020/45,307,344 = 45,307,344/x
  3. Step 3: Cross multiply
    20,917,020x = 45,307,344 × 45,307,344
  4. Step 4: Simplify right side
    20,917,020x = 2,052,755,420,334,336
  5. Step 5: Solve for x
    x = 2,052,755,420,334,336/20,917,020
  6. Step 6: Final answer
    x = 98,138,043.58

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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.