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Finding the Third Proportional to 1,590.19 and 2,432.81

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Solution

The third proportional to 1,590.19 and 2,432.81 is: 3,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.19 : 2,432.81 = 2,432.81 : x
  2. Step 2: Convert to fraction form
    1,590.19/2,432.81 = 2,432.81/x
  3. Step 3: Cross multiply
    1,590.19x = 2,432.81 × 2,432.81
  4. Step 4: Simplify right side
    1,590.19x = 5,918,576.66
  5. Step 5: Solve for x
    x = 5,918,576.66/1,590.19
  6. Step 6: Final answer
    x = 3,721.94

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.