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Finding the Third Proportional to 957.76 and 1,520.17

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Solution

The third proportional to 957.76 and 1,520.17 is: 2,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.76 : 1,520.17 = 1,520.17 : x
  2. Step 2: Convert to fraction form
    957.76/1,520.17 = 1,520.17/x
  3. Step 3: Cross multiply
    957.76x = 1,520.17 × 1,520.17
  4. Step 4: Simplify right side
    957.76x = 2,310,928.47
  5. Step 5: Solve for x
    x = 2,310,928.47/957.76
  6. Step 6: Final answer
    x = 2,412.84

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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.