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Finding the Third Proportional to 510.75 and 577.13

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Solution

The third proportional to 510.75 and 577.13 is: 652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.75 : 577.13 = 577.13 : x
  2. Step 2: Convert to fraction form
    510.75/577.13 = 577.13/x
  3. Step 3: Cross multiply
    510.75x = 577.13 × 577.13
  4. Step 4: Simplify right side
    510.75x = 333,073.27
  5. Step 5: Solve for x
    x = 333,073.27/510.75
  6. Step 6: Final answer
    x = 652.13

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.