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Finding the Third Proportional to 4,357.50 and 6,170.25

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Solution

The third proportional to 4,357.50 and 6,170.25 is: 8,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357.50 : 6,170.25 = 6,170.25 : x
  2. Step 2: Convert to fraction form
    4,357.50/6,170.25 = 6,170.25/x
  3. Step 3: Cross multiply
    4,357.50x = 6,170.25 × 6,170.25
  4. Step 4: Simplify right side
    4,357.50x = 38,071,985.06
  5. Step 5: Solve for x
    x = 38,071,985.06/4,357.50
  6. Step 6: Final answer
    x = 8,737.12

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.