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Finding the Third Proportional to 1,519.70 and 2,302.17

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Solution

The third proportional to 1,519.70 and 2,302.17 is: 3,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.70 : 2,302.17 = 2,302.17 : x
  2. Step 2: Convert to fraction form
    1,519.70/2,302.17 = 2,302.17/x
  3. Step 3: Cross multiply
    1,519.70x = 2,302.17 × 2,302.17
  4. Step 4: Simplify right side
    1,519.70x = 5,299,995.34
  5. Step 5: Solve for x
    x = 5,299,995.34/1,519.70
  6. Step 6: Final answer
    x = 3,487.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.