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Finding the Third Proportional to 574 and 753.50

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Solution

The third proportional to 574 and 753.50 is: 989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    574 : 753.50 = 753.50 : x
  2. Step 2: Convert to fraction form
    574/753.50 = 753.50/x
  3. Step 3: Cross multiply
    574x = 753.50 × 753.50
  4. Step 4: Simplify right side
    574x = 567,762.25
  5. Step 5: Solve for x
    x = 567,762.25/574
  6. Step 6: Final answer
    x = 989.13

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.