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Finding the Third Proportional to 56,332 and 86,620

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Solution

The third proportional to 56,332 and 86,620 is: 133,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,332 : 86,620 = 86,620 : x
  2. Step 2: Convert to fraction form
    56,332/86,620 = 86,620/x
  3. Step 3: Cross multiply
    56,332x = 86,620 × 86,620
  4. Step 4: Simplify right side
    56,332x = 7,503,024,400
  5. Step 5: Solve for x
    x = 7,503,024,400/56,332
  6. Step 6: Final answer
    x = 133,192.93

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.