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Finding the Third Proportional to 245.53 and 525.66

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Solution

The third proportional to 245.53 and 525.66 is: 1,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.53 : 525.66 = 525.66 : x
  2. Step 2: Convert to fraction form
    245.53/525.66 = 525.66/x
  3. Step 3: Cross multiply
    245.53x = 525.66 × 525.66
  4. Step 4: Simplify right side
    245.53x = 276,314.49
  5. Step 5: Solve for x
    x = 276,314.49/245.53
  6. Step 6: Final answer
    x = 1,125.37

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.