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Finding the Third Proportional to 830.88 and 1,127.04

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Solution

The third proportional to 830.88 and 1,127.04 is: 1,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    830.88 : 1,127.04 = 1,127.04 : x
  2. Step 2: Convert to fraction form
    830.88/1,127.04 = 1,127.04/x
  3. Step 3: Cross multiply
    830.88x = 1,127.04 × 1,127.04
  4. Step 4: Simplify right side
    830.88x = 1,270,217.05
  5. Step 5: Solve for x
    x = 1,270,217.05/830.88
  6. Step 6: Final answer
    x = 1,528.76

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.