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Finding the Third Proportional to 88,167.75 and 128,559

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Solution

The third proportional to 88,167.75 and 128,559 is: 187,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,167.75 : 128,559 = 128,559 : x
  2. Step 2: Convert to fraction form
    88,167.75/128,559 = 128,559/x
  3. Step 3: Cross multiply
    88,167.75x = 128,559 × 128,559
  4. Step 4: Simplify right side
    88,167.75x = 16,527,416,481
  5. Step 5: Solve for x
    x = 16,527,416,481/88,167.75
  6. Step 6: Final answer
    x = 187,454.22

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.