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Finding the Third Proportional to 1,401 and 1,585

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Solution

The third proportional to 1,401 and 1,585 is: 1,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401 : 1,585 = 1,585 : x
  2. Step 2: Convert to fraction form
    1,401/1,585 = 1,585/x
  3. Step 3: Cross multiply
    1,401x = 1,585 × 1,585
  4. Step 4: Simplify right side
    1,401x = 2,512,225
  5. Step 5: Solve for x
    x = 2,512,225/1,401
  6. Step 6: Final answer
    x = 1,793.17

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.