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Finding the Third Proportional to 458.94 and 710.88

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Solution

The third proportional to 458.94 and 710.88 is: 1,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.94 : 710.88 = 710.88 : x
  2. Step 2: Convert to fraction form
    458.94/710.88 = 710.88/x
  3. Step 3: Cross multiply
    458.94x = 710.88 × 710.88
  4. Step 4: Simplify right side
    458.94x = 505,343.27
  5. Step 5: Solve for x
    x = 505,343.27/458.94
  6. Step 6: Final answer
    x = 1,101.12

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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.