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Finding the Third Proportional to 28,417.50 and 66,737.25

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Solution

The third proportional to 28,417.50 and 66,737.25 is: 156,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.50 : 66,737.25 = 66,737.25 : x
  2. Step 2: Convert to fraction form
    28,417.50/66,737.25 = 66,737.25/x
  3. Step 3: Cross multiply
    28,417.50x = 66,737.25 × 66,737.25
  4. Step 4: Simplify right side
    28,417.50x = 4,453,860,537.56
  5. Step 5: Solve for x
    x = 4,453,860,537.56/28,417.50
  6. Step 6: Final answer
    x = 156,729.50

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.