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Finding the Third Proportional to 758.53 and 973.55

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Solution

The third proportional to 758.53 and 973.55 is: 1,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    758.53 : 973.55 = 973.55 : x
  2. Step 2: Convert to fraction form
    758.53/973.55 = 973.55/x
  3. Step 3: Cross multiply
    758.53x = 973.55 × 973.55
  4. Step 4: Simplify right side
    758.53x = 947,793.52
  5. Step 5: Solve for x
    x = 947,793.52/758.53
  6. Step 6: Final answer
    x = 1,249.51

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.