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Finding the Third Proportional to 8,490,100.50 and 18,331,757

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Solution

The third proportional to 8,490,100.50 and 18,331,757 is: 39,581,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490,100.50 : 18,331,757 = 18,331,757 : x
  2. Step 2: Convert to fraction form
    8,490,100.50/18,331,757 = 18,331,757/x
  3. Step 3: Cross multiply
    8,490,100.50x = 18,331,757 × 18,331,757
  4. Step 4: Simplify right side
    8,490,100.50x = 336,053,314,707,049
  5. Step 5: Solve for x
    x = 336,053,314,707,049/8,490,100.50
  6. Step 6: Final answer
    x = 39,581,782.89

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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.