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Finding the Third Proportional to 10,998,570 and 16,639,387

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Solution

The third proportional to 10,998,570 and 16,639,387 is: 25,173,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998,570 : 16,639,387 = 16,639,387 : x
  2. Step 2: Convert to fraction form
    10,998,570/16,639,387 = 16,639,387/x
  3. Step 3: Cross multiply
    10,998,570x = 16,639,387 × 16,639,387
  4. Step 4: Simplify right side
    10,998,570x = 276,869,199,735,769
  5. Step 5: Solve for x
    x = 276,869,199,735,769/10,998,570
  6. Step 6: Final answer
    x = 25,173,199.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.