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Finding the Third Proportional to 4,207,456.50 and 9,087,780

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Solution

The third proportional to 4,207,456.50 and 9,087,780 is: 19,628,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207,456.50 : 9,087,780 = 9,087,780 : x
  2. Step 2: Convert to fraction form
    4,207,456.50/9,087,780 = 9,087,780/x
  3. Step 3: Cross multiply
    4,207,456.50x = 9,087,780 × 9,087,780
  4. Step 4: Simplify right side
    4,207,456.50x = 82,587,745,328,400
  5. Step 5: Solve for x
    x = 82,587,745,328,400/4,207,456.50
  6. Step 6: Final answer
    x = 19,628,900.58

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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.