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Finding the Third Proportional to 592.50 and 1,291.88

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Solution

The third proportional to 592.50 and 1,291.88 is: 2,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.50 : 1,291.88 = 1,291.88 : x
  2. Step 2: Convert to fraction form
    592.50/1,291.88 = 1,291.88/x
  3. Step 3: Cross multiply
    592.50x = 1,291.88 × 1,291.88
  4. Step 4: Simplify right side
    592.50x = 1,668,941.02
  5. Step 5: Solve for x
    x = 1,668,941.02/592.50
  6. Step 6: Final answer
    x = 2,816.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.