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Finding the Third Proportional to 957.25 and 1,478.50

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Solution

The third proportional to 957.25 and 1,478.50 is: 2,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.25 : 1,478.50 = 1,478.50 : x
  2. Step 2: Convert to fraction form
    957.25/1,478.50 = 1,478.50/x
  3. Step 3: Cross multiply
    957.25x = 1,478.50 × 1,478.50
  4. Step 4: Simplify right side
    957.25x = 2,185,962.25
  5. Step 5: Solve for x
    x = 2,185,962.25/957.25
  6. Step 6: Final answer
    x = 2,283.59

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.