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Finding the Third Proportional to 1,010.25 and 1,521.19

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Solution

The third proportional to 1,010.25 and 1,521.19 is: 2,290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.25 : 1,521.19 = 1,521.19 : x
  2. Step 2: Convert to fraction form
    1,010.25/1,521.19 = 1,521.19/x
  3. Step 3: Cross multiply
    1,010.25x = 1,521.19 × 1,521.19
  4. Step 4: Simplify right side
    1,010.25x = 2,314,011.41
  5. Step 5: Solve for x
    x = 2,314,011.41/1,010.25
  6. Step 6: Final answer
    x = 2,290.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.