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Finding the Third Proportional to 48,712.50 and 66,012.75

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Solution

The third proportional to 48,712.50 and 66,012.75 is: 89,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,712.50 : 66,012.75 = 66,012.75 : x
  2. Step 2: Convert to fraction form
    48,712.50/66,012.75 = 66,012.75/x
  3. Step 3: Cross multiply
    48,712.50x = 66,012.75 × 66,012.75
  4. Step 4: Simplify right side
    48,712.50x = 4,357,683,162.56
  5. Step 5: Solve for x
    x = 4,357,683,162.56/48,712.50
  6. Step 6: Final answer
    x = 89,457.19

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.