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Finding the Third Proportional to 8,129,972.25 and 11,889,628.88

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Solution

The third proportional to 8,129,972.25 and 11,889,628.88 is: 17,387,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,972.25 : 11,889,628.88 = 11,889,628.88 : x
  2. Step 2: Convert to fraction form
    8,129,972.25/11,889,628.88 = 11,889,628.88/x
  3. Step 3: Cross multiply
    8,129,972.25x = 11,889,628.88 × 11,889,628.88
  4. Step 4: Simplify right side
    8,129,972.25x = 141,363,274,785,233.75
  5. Step 5: Solve for x
    x = 141,363,274,785,233.75/8,129,972.25
  6. Step 6: Final answer
    x = 17,387,916.03

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.