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Finding the Third Proportional to 732.50 and 1,585

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Solution

The third proportional to 732.50 and 1,585 is: 3,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.50 : 1,585 = 1,585 : x
  2. Step 2: Convert to fraction form
    732.50/1,585 = 1,585/x
  3. Step 3: Cross multiply
    732.50x = 1,585 × 1,585
  4. Step 4: Simplify right side
    732.50x = 2,512,225
  5. Step 5: Solve for x
    x = 2,512,225/732.50
  6. Step 6: Final answer
    x = 3,429.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.