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Finding the Third Proportional to 297 and 472.50

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Solution

The third proportional to 297 and 472.50 is: 751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297 : 472.50 = 472.50 : x
  2. Step 2: Convert to fraction form
    297/472.50 = 472.50/x
  3. Step 3: Cross multiply
    297x = 472.50 × 472.50
  4. Step 4: Simplify right side
    297x = 223,256.25
  5. Step 5: Solve for x
    x = 223,256.25/297
  6. Step 6: Final answer
    x = 751.70

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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.