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Finding the Third Proportional to 374 and 712

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Solution

The third proportional to 374 and 712 is: 1,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374 : 712 = 712 : x
  2. Step 2: Convert to fraction form
    374/712 = 712/x
  3. Step 3: Cross multiply
    374x = 712 × 712
  4. Step 4: Simplify right side
    374x = 506,944
  5. Step 5: Solve for x
    x = 506,944/374
  6. Step 6: Final answer
    x = 1,355.47

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.