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Finding the Third Proportional to 1,712 and 4,624

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Solution

The third proportional to 1,712 and 4,624 is: 12,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712 : 4,624 = 4,624 : x
  2. Step 2: Convert to fraction form
    1,712/4,624 = 4,624/x
  3. Step 3: Cross multiply
    1,712x = 4,624 × 4,624
  4. Step 4: Simplify right side
    1,712x = 21,381,376
  5. Step 5: Solve for x
    x = 21,381,376/1,712
  6. Step 6: Final answer
    x = 12,489.12

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.