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Finding the Third Proportional to 938.25 and 1,510.95

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Solution

The third proportional to 938.25 and 1,510.95 is: 2,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    938.25 : 1,510.95 = 1,510.95 : x
  2. Step 2: Convert to fraction form
    938.25/1,510.95 = 1,510.95/x
  3. Step 3: Cross multiply
    938.25x = 1,510.95 × 1,510.95
  4. Step 4: Simplify right side
    938.25x = 2,282,955.74
  5. Step 5: Solve for x
    x = 2,282,955.74/938.25
  6. Step 6: Final answer
    x = 2,433.21

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.