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Finding the Third Proportional to 373.92 and 472.92

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Solution

The third proportional to 373.92 and 472.92 is: 598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.92 : 472.92 = 472.92 : x
  2. Step 2: Convert to fraction form
    373.92/472.92 = 472.92/x
  3. Step 3: Cross multiply
    373.92x = 472.92 × 472.92
  4. Step 4: Simplify right side
    373.92x = 223,655.10
  5. Step 5: Solve for x
    x = 223,655.10/373.92
  6. Step 6: Final answer
    x = 598.13

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.