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Finding the Third Proportional to 297 and 469.75

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Solution

The third proportional to 297 and 469.75 is: 742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    297 : 469.75 = 469.75 : x
  2. Step 2: Convert to fraction form
    297/469.75 = 469.75/x
  3. Step 3: Cross multiply
    297x = 469.75 × 469.75
  4. Step 4: Simplify right side
    297x = 220,665.06
  5. Step 5: Solve for x
    x = 220,665.06/297
  6. Step 6: Final answer
    x = 742.98

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.