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Finding the Third Proportional to 55,432.50 and 85,335.75

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Solution

The third proportional to 55,432.50 and 85,335.75 is: 131,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.50 : 85,335.75 = 85,335.75 : x
  2. Step 2: Convert to fraction form
    55,432.50/85,335.75 = 85,335.75/x
  3. Step 3: Cross multiply
    55,432.50x = 85,335.75 × 85,335.75
  4. Step 4: Simplify right side
    55,432.50x = 7,282,190,228.06
  5. Step 5: Solve for x
    x = 7,282,190,228.06/55,432.50
  6. Step 6: Final answer
    x = 131,370.41

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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.