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Finding the Third Proportional to 55,482.19 and 85,812.75

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Solution

The third proportional to 55,482.19 and 85,812.75 is: 132,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,482.19 : 85,812.75 = 85,812.75 : x
  2. Step 2: Convert to fraction form
    55,482.19/85,812.75 = 85,812.75/x
  3. Step 3: Cross multiply
    55,482.19x = 85,812.75 × 85,812.75
  4. Step 4: Simplify right side
    55,482.19x = 7,363,828,062.56
  5. Step 5: Solve for x
    x = 7,363,828,062.56/55,482.19
  6. Step 6: Final answer
    x = 132,724.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.