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Finding the Third Proportional to 624.75 and 1,357.38

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Solution

The third proportional to 624.75 and 1,357.38 is: 2,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.75 : 1,357.38 = 1,357.38 : x
  2. Step 2: Convert to fraction form
    624.75/1,357.38 = 1,357.38/x
  3. Step 3: Cross multiply
    624.75x = 1,357.38 × 1,357.38
  4. Step 4: Simplify right side
    624.75x = 1,842,466.89
  5. Step 5: Solve for x
    x = 1,842,466.89/624.75
  6. Step 6: Final answer
    x = 2,949.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.