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Finding the Third Proportional to 708.25 and 1,507.63

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Solution

The third proportional to 708.25 and 1,507.63 is: 3,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.25 : 1,507.63 = 1,507.63 : x
  2. Step 2: Convert to fraction form
    708.25/1,507.63 = 1,507.63/x
  3. Step 3: Cross multiply
    708.25x = 1,507.63 × 1,507.63
  4. Step 4: Simplify right side
    708.25x = 2,272,933.14
  5. Step 5: Solve for x
    x = 2,272,933.14/708.25
  6. Step 6: Final answer
    x = 3,209.22

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.