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Finding the Third Proportional to 55,344 and 79,560

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Solution

The third proportional to 55,344 and 79,560 is: 114,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344 : 79,560 = 79,560 : x
  2. Step 2: Convert to fraction form
    55,344/79,560 = 79,560/x
  3. Step 3: Cross multiply
    55,344x = 79,560 × 79,560
  4. Step 4: Simplify right side
    55,344x = 6,329,793,600
  5. Step 5: Solve for x
    x = 6,329,793,600/55,344
  6. Step 6: Final answer
    x = 114,371.81

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.