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Finding the Third Proportional to 463.88 and 718.13

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Solution

The third proportional to 463.88 and 718.13 is: 1,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.88 : 718.13 = 718.13 : x
  2. Step 2: Convert to fraction form
    463.88/718.13 = 718.13/x
  3. Step 3: Cross multiply
    463.88x = 718.13 × 718.13
  4. Step 4: Simplify right side
    463.88x = 515,703.52
  5. Step 5: Solve for x
    x = 515,703.52/463.88
  6. Step 6: Final answer
    x = 1,111.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.