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Finding the Third Proportional to 8,513,466 and 18,916,500

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Solution

The third proportional to 8,513,466 and 18,916,500 is: 42,031,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,466 : 18,916,500 = 18,916,500 : x
  2. Step 2: Convert to fraction form
    8,513,466/18,916,500 = 18,916,500/x
  3. Step 3: Cross multiply
    8,513,466x = 18,916,500 × 18,916,500
  4. Step 4: Simplify right side
    8,513,466x = 357,833,972,250,000
  5. Step 5: Solve for x
    x = 357,833,972,250,000/8,513,466
  6. Step 6: Final answer
    x = 42,031,526.55

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.