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Finding the Third Proportional to 1,225.69 and 1,864.13

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Solution

The third proportional to 1,225.69 and 1,864.13 is: 2,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.69 : 1,864.13 = 1,864.13 : x
  2. Step 2: Convert to fraction form
    1,225.69/1,864.13 = 1,864.13/x
  3. Step 3: Cross multiply
    1,225.69x = 1,864.13 × 1,864.13
  4. Step 4: Simplify right side
    1,225.69x = 3,474,962.02
  5. Step 5: Solve for x
    x = 3,474,962.02/1,225.69
  6. Step 6: Final answer
    x = 2,835.11

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.