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Finding the Third Proportional to 4,010,489 and 8,660,282

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Solution

The third proportional to 4,010,489 and 8,660,282 is: 18,701,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,010,489 : 8,660,282 = 8,660,282 : x
  2. Step 2: Convert to fraction form
    4,010,489/8,660,282 = 8,660,282/x
  3. Step 3: Cross multiply
    4,010,489x = 8,660,282 × 8,660,282
  4. Step 4: Simplify right side
    4,010,489x = 75,000,484,319,524
  5. Step 5: Solve for x
    x = 75,000,484,319,524/4,010,489
  6. Step 6: Final answer
    x = 18,701,082.17

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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.