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Finding the Third Proportional to 297 and 602.50

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Solution

The third proportional to 297 and 602.50 is: 1,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    297 : 602.50 = 602.50 : x
  2. Step 2: Convert to fraction form
    297/602.50 = 602.50/x
  3. Step 3: Cross multiply
    297x = 602.50 × 602.50
  4. Step 4: Simplify right side
    297x = 363,006.25
  5. Step 5: Solve for x
    x = 363,006.25/297
  6. Step 6: Final answer
    x = 1,222.24

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.