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Finding the Third Proportional to 700.97 and 1,487.34

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Solution

The third proportional to 700.97 and 1,487.34 is: 3,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.97 : 1,487.34 = 1,487.34 : x
  2. Step 2: Convert to fraction form
    700.97/1,487.34 = 1,487.34/x
  3. Step 3: Cross multiply
    700.97x = 1,487.34 × 1,487.34
  4. Step 4: Simplify right side
    700.97x = 2,212,191.43
  5. Step 5: Solve for x
    x = 2,212,191.43/700.97
  6. Step 6: Final answer
    x = 3,155.91

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.