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Finding the Third Proportional to 923.25 and 1,243.88

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Solution

The third proportional to 923.25 and 1,243.88 is: 1,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.25 : 1,243.88 = 1,243.88 : x
  2. Step 2: Convert to fraction form
    923.25/1,243.88 = 1,243.88/x
  3. Step 3: Cross multiply
    923.25x = 1,243.88 × 1,243.88
  4. Step 4: Simplify right side
    923.25x = 1,547,225.02
  5. Step 5: Solve for x
    x = 1,547,225.02/923.25
  6. Step 6: Final answer
    x = 1,675.85

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.