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Finding the Third Proportional to 55,624 and 83,544

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Solution

The third proportional to 55,624 and 83,544 is: 125,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,624 : 83,544 = 83,544 : x
  2. Step 2: Convert to fraction form
    55,624/83,544 = 83,544/x
  3. Step 3: Cross multiply
    55,624x = 83,544 × 83,544
  4. Step 4: Simplify right side
    55,624x = 6,979,599,936
  5. Step 5: Solve for x
    x = 6,979,599,936/55,624
  6. Step 6: Final answer
    x = 125,478.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.