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Finding the Third Proportional to 930.23 and 1,480.78

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Solution

The third proportional to 930.23 and 1,480.78 is: 2,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    930.23 : 1,480.78 = 1,480.78 : x
  2. Step 2: Convert to fraction form
    930.23/1,480.78 = 1,480.78/x
  3. Step 3: Cross multiply
    930.23x = 1,480.78 × 1,480.78
  4. Step 4: Simplify right side
    930.23x = 2,192,713.11
  5. Step 5: Solve for x
    x = 2,192,713.11/930.23
  6. Step 6: Final answer
    x = 2,357.16

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.