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Finding the Third Proportional to 412.88 and 883.13

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Solution

The third proportional to 412.88 and 883.13 is: 1,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.88 : 883.13 = 883.13 : x
  2. Step 2: Convert to fraction form
    412.88/883.13 = 883.13/x
  3. Step 3: Cross multiply
    412.88x = 883.13 × 883.13
  4. Step 4: Simplify right side
    412.88x = 779,909.77
  5. Step 5: Solve for x
    x = 779,909.77/412.88
  6. Step 6: Final answer
    x = 1,888.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.