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Finding the Third Proportional to 495.50 and 572

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Solution

The third proportional to 495.50 and 572 is: 660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.50 : 572 = 572 : x
  2. Step 2: Convert to fraction form
    495.50/572 = 572/x
  3. Step 3: Cross multiply
    495.50x = 572 × 572
  4. Step 4: Simplify right side
    495.50x = 327,184
  5. Step 5: Solve for x
    x = 327,184/495.50
  6. Step 6: Final answer
    x = 660.31

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.