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Finding the Third Proportional to 763.25 and 1,166.25

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Solution

The third proportional to 763.25 and 1,166.25 is: 1,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    763.25 : 1,166.25 = 1,166.25 : x
  2. Step 2: Convert to fraction form
    763.25/1,166.25 = 1,166.25/x
  3. Step 3: Cross multiply
    763.25x = 1,166.25 × 1,166.25
  4. Step 4: Simplify right side
    763.25x = 1,360,139.06
  5. Step 5: Solve for x
    x = 1,360,139.06/763.25
  6. Step 6: Final answer
    x = 1,782.04

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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.