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Finding the Third Proportional to 1,351.69 and 2,957.77

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Solution

The third proportional to 1,351.69 and 2,957.77 is: 6,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.69 : 2,957.77 = 2,957.77 : x
  2. Step 2: Convert to fraction form
    1,351.69/2,957.77 = 2,957.77/x
  3. Step 3: Cross multiply
    1,351.69x = 2,957.77 × 2,957.77
  4. Step 4: Simplify right side
    1,351.69x = 8,748,377.49
  5. Step 5: Solve for x
    x = 8,748,377.49/1,351.69
  6. Step 6: Final answer
    x = 6,472.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.