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Finding the Third Proportional to 708.75 and 1,535.63

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Solution

The third proportional to 708.75 and 1,535.63 is: 3,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.75 : 1,535.63 = 1,535.63 : x
  2. Step 2: Convert to fraction form
    708.75/1,535.63 = 1,535.63/x
  3. Step 3: Cross multiply
    708.75x = 1,535.63 × 1,535.63
  4. Step 4: Simplify right side
    708.75x = 2,358,144.14
  5. Step 5: Solve for x
    x = 2,358,144.14/708.75
  6. Step 6: Final answer
    x = 3,327.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.