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Finding the Third Proportional to 1,174.75 and 1,582.63

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Solution

The third proportional to 1,174.75 and 1,582.63 is: 2,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.75 : 1,582.63 = 1,582.63 : x
  2. Step 2: Convert to fraction form
    1,174.75/1,582.63 = 1,582.63/x
  3. Step 3: Cross multiply
    1,174.75x = 1,582.63 × 1,582.63
  4. Step 4: Simplify right side
    1,174.75x = 2,504,701.89
  5. Step 5: Solve for x
    x = 2,504,701.89/1,174.75
  6. Step 6: Final answer
    x = 2,132.11

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.