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Finding the Third Proportional to 296.06 and 424.88

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Solution

The third proportional to 296.06 and 424.88 is: 609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.06 : 424.88 = 424.88 : x
  2. Step 2: Convert to fraction form
    296.06/424.88 = 424.88/x
  3. Step 3: Cross multiply
    296.06x = 424.88 × 424.88
  4. Step 4: Simplify right side
    296.06x = 180,518.77
  5. Step 5: Solve for x
    x = 180,518.77/296.06
  6. Step 6: Final answer
    x = 609.73

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.