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Finding the Third Proportional to 54,688.50 and 85,677.75

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Solution

The third proportional to 54,688.50 and 85,677.75 is: 134,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,688.50 : 85,677.75 = 85,677.75 : x
  2. Step 2: Convert to fraction form
    54,688.50/85,677.75 = 85,677.75/x
  3. Step 3: Cross multiply
    54,688.50x = 85,677.75 × 85,677.75
  4. Step 4: Simplify right side
    54,688.50x = 7,340,676,845.06
  5. Step 5: Solve for x
    x = 7,340,676,845.06/54,688.50
  6. Step 6: Final answer
    x = 134,227.07

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.