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Finding the Third Proportional to 55,452 and 77,606

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Solution

The third proportional to 55,452 and 77,606 is: 108,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,452 : 77,606 = 77,606 : x
  2. Step 2: Convert to fraction form
    55,452/77,606 = 77,606/x
  3. Step 3: Cross multiply
    55,452x = 77,606 × 77,606
  4. Step 4: Simplify right side
    55,452x = 6,022,691,236
  5. Step 5: Solve for x
    x = 6,022,691,236/55,452
  6. Step 6: Final answer
    x = 108,610.89

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.