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Finding the Third Proportional to 379.88 and 895.13

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Solution

The third proportional to 379.88 and 895.13 is: 2,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.88 : 895.13 = 895.13 : x
  2. Step 2: Convert to fraction form
    379.88/895.13 = 895.13/x
  3. Step 3: Cross multiply
    379.88x = 895.13 × 895.13
  4. Step 4: Simplify right side
    379.88x = 801,248.77
  5. Step 5: Solve for x
    x = 801,248.77/379.88
  6. Step 6: Final answer
    x = 2,109.24

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.