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Finding the Third Proportional to 15,452,667 and 20,986,776

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Solution

The third proportional to 15,452,667 and 20,986,776 is: 28,502,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452,667 : 20,986,776 = 20,986,776 : x
  2. Step 2: Convert to fraction form
    15,452,667/20,986,776 = 20,986,776/x
  3. Step 3: Cross multiply
    15,452,667x = 20,986,776 × 20,986,776
  4. Step 4: Simplify right side
    15,452,667x = 440,444,766,874,176
  5. Step 5: Solve for x
    x = 440,444,766,874,176/15,452,667
  6. Step 6: Final answer
    x = 28,502,831.70

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.