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Finding the Third Proportional to 9,165,514 and 19,907,445

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Solution

The third proportional to 9,165,514 and 19,907,445 is: 43,238,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,514 : 19,907,445 = 19,907,445 : x
  2. Step 2: Convert to fraction form
    9,165,514/19,907,445 = 19,907,445/x
  3. Step 3: Cross multiply
    9,165,514x = 19,907,445 × 19,907,445
  4. Step 4: Simplify right side
    9,165,514x = 396,306,366,428,025
  5. Step 5: Solve for x
    x = 396,306,366,428,025/9,165,514
  6. Step 6: Final answer
    x = 43,238,858.88

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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.