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Finding the Third Proportional to 66,855 and 88,744.50

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Solution

The third proportional to 66,855 and 88,744.50 is: 117,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,855 : 88,744.50 = 88,744.50 : x
  2. Step 2: Convert to fraction form
    66,855/88,744.50 = 88,744.50/x
  3. Step 3: Cross multiply
    66,855x = 88,744.50 × 88,744.50
  4. Step 4: Simplify right side
    66,855x = 7,875,586,280.25
  5. Step 5: Solve for x
    x = 7,875,586,280.25/66,855
  6. Step 6: Final answer
    x = 117,801.01

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.