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Finding the Third Proportional to 245.25 and 572.63

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Solution

The third proportional to 245.25 and 572.63 is: 1,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.25 : 572.63 = 572.63 : x
  2. Step 2: Convert to fraction form
    245.25/572.63 = 572.63/x
  3. Step 3: Cross multiply
    245.25x = 572.63 × 572.63
  4. Step 4: Simplify right side
    245.25x = 327,899.39
  5. Step 5: Solve for x
    x = 327,899.39/245.25
  6. Step 6: Final answer
    x = 1,337.00

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.