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Finding the Third Proportional to 747.75 and 1,184.25

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Solution

The third proportional to 747.75 and 1,184.25 is: 1,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    747.75 : 1,184.25 = 1,184.25 : x
  2. Step 2: Convert to fraction form
    747.75/1,184.25 = 1,184.25/x
  3. Step 3: Cross multiply
    747.75x = 1,184.25 × 1,184.25
  4. Step 4: Simplify right side
    747.75x = 1,402,448.06
  5. Step 5: Solve for x
    x = 1,402,448.06/747.75
  6. Step 6: Final answer
    x = 1,875.56

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.