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Finding the Third Proportional to 577.13 and 898.59

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Solution

The third proportional to 577.13 and 898.59 is: 1,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.13 : 898.59 = 898.59 : x
  2. Step 2: Convert to fraction form
    577.13/898.59 = 898.59/x
  3. Step 3: Cross multiply
    577.13x = 898.59 × 898.59
  4. Step 4: Simplify right side
    577.13x = 807,470.73
  5. Step 5: Solve for x
    x = 807,470.73/577.13
  6. Step 6: Final answer
    x = 1,399.13

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.