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Finding the Third Proportional to 56,672 and 87,446

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Solution

The third proportional to 56,672 and 87,446 is: 134,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,672 : 87,446 = 87,446 : x
  2. Step 2: Convert to fraction form
    56,672/87,446 = 87,446/x
  3. Step 3: Cross multiply
    56,672x = 87,446 × 87,446
  4. Step 4: Simplify right side
    56,672x = 7,646,802,916
  5. Step 5: Solve for x
    x = 7,646,802,916/56,672
  6. Step 6: Final answer
    x = 134,930.88

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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.