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Finding the Third Proportional to 297 and 653.44

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Solution

The third proportional to 297 and 653.44 is: 1,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    297 : 653.44 = 653.44 : x
  2. Step 2: Convert to fraction form
    297/653.44 = 653.44/x
  3. Step 3: Cross multiply
    297x = 653.44 × 653.44
  4. Step 4: Simplify right side
    297x = 426,980.57
  5. Step 5: Solve for x
    x = 426,980.57/297
  6. Step 6: Final answer
    x = 1,437.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.