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Finding the Third Proportional to 296.94 and 472.88

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Solution

The third proportional to 296.94 and 472.88 is: 753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.94 : 472.88 = 472.88 : x
  2. Step 2: Convert to fraction form
    296.94/472.88 = 472.88/x
  3. Step 3: Cross multiply
    296.94x = 472.88 × 472.88
  4. Step 4: Simplify right side
    296.94x = 223,610.77
  5. Step 5: Solve for x
    x = 223,610.77/296.94
  6. Step 6: Final answer
    x = 753.06

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.