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Finding the Third Proportional to 63,392 and 90,552

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Solution

The third proportional to 63,392 and 90,552 is: 129,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,392 : 90,552 = 90,552 : x
  2. Step 2: Convert to fraction form
    63,392/90,552 = 90,552/x
  3. Step 3: Cross multiply
    63,392x = 90,552 × 90,552
  4. Step 4: Simplify right side
    63,392x = 8,199,664,704
  5. Step 5: Solve for x
    x = 8,199,664,704/63,392
  6. Step 6: Final answer
    x = 129,348.57

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.