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Finding the Third Proportional to 22,344 and 39,432

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Solution

The third proportional to 22,344 and 39,432 is: 69,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,344 : 39,432 = 39,432 : x
  2. Step 2: Convert to fraction form
    22,344/39,432 = 39,432/x
  3. Step 3: Cross multiply
    22,344x = 39,432 × 39,432
  4. Step 4: Simplify right side
    22,344x = 1,554,882,624
  5. Step 5: Solve for x
    x = 1,554,882,624/22,344
  6. Step 6: Final answer
    x = 69,588.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.