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Finding the Third Proportional to 6,917,892.38 and 15,138,964.13

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Solution

The third proportional to 6,917,892.38 and 15,138,964.13 is: 33,129,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917,892.38 : 15,138,964.13 = 15,138,964.13 : x
  2. Step 2: Convert to fraction form
    6,917,892.38/15,138,964.13 = 15,138,964.13/x
  3. Step 3: Cross multiply
    6,917,892.38x = 15,138,964.13 × 15,138,964.13
  4. Step 4: Simplify right side
    6,917,892.38x = 229,188,234,778,037
  5. Step 5: Solve for x
    x = 229,188,234,778,037/6,917,892.38
  6. Step 6: Final answer
    x = 33,129,777.45

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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.