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Finding the Third Proportional to 66,712.50 and 101,443.50

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Solution

The third proportional to 66,712.50 and 101,443.50 is: 154,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,712.50 : 101,443.50 = 101,443.50 : x
  2. Step 2: Convert to fraction form
    66,712.50/101,443.50 = 101,443.50/x
  3. Step 3: Cross multiply
    66,712.50x = 101,443.50 × 101,443.50
  4. Step 4: Simplify right side
    66,712.50x = 10,290,783,692.25
  5. Step 5: Solve for x
    x = 10,290,783,692.25/66,712.50
  6. Step 6: Final answer
    x = 154,255.70

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.