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Finding the Third Proportional to 369.88 and 807.13

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Solution

The third proportional to 369.88 and 807.13 is: 1,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.88 : 807.13 = 807.13 : x
  2. Step 2: Convert to fraction form
    369.88/807.13 = 807.13/x
  3. Step 3: Cross multiply
    369.88x = 807.13 × 807.13
  4. Step 4: Simplify right side
    369.88x = 651,450.77
  5. Step 5: Solve for x
    x = 651,450.77/369.88
  6. Step 6: Final answer
    x = 1,761.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.