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Finding the Third Proportional to 63,383,187 and 138,917,345

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Solution

The third proportional to 63,383,187 and 138,917,345 is: 304,466,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,383,187 : 138,917,345 = 138,917,345 : x
  2. Step 2: Convert to fraction form
    63,383,187/138,917,345 = 138,917,345/x
  3. Step 3: Cross multiply
    63,383,187x = 138,917,345 × 138,917,345
  4. Step 4: Simplify right side
    63,383,187x = 19,298,028,741,849,024
  5. Step 5: Solve for x
    x = 19,298,028,741,849,024/63,383,187
  6. Step 6: Final answer
    x = 304,466,052.52

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.