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Finding the Third Proportional to 7,129,258 and 15,394,874

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Solution

The third proportional to 7,129,258 and 15,394,874 is: 33,243,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,258 : 15,394,874 = 15,394,874 : x
  2. Step 2: Convert to fraction form
    7,129,258/15,394,874 = 15,394,874/x
  3. Step 3: Cross multiply
    7,129,258x = 15,394,874 × 15,394,874
  4. Step 4: Simplify right side
    7,129,258x = 237,002,145,475,876
  5. Step 5: Solve for x
    x = 237,002,145,475,876/7,129,258
  6. Step 6: Final answer
    x = 33,243,592.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.