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Finding the Third Proportional to 56,414 and 82,875

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Solution

The third proportional to 56,414 and 82,875 is: 121,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,414 : 82,875 = 82,875 : x
  2. Step 2: Convert to fraction form
    56,414/82,875 = 82,875/x
  3. Step 3: Cross multiply
    56,414x = 82,875 × 82,875
  4. Step 4: Simplify right side
    56,414x = 6,868,265,625
  5. Step 5: Solve for x
    x = 6,868,265,625/56,414
  6. Step 6: Final answer
    x = 121,747.54

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.