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Finding the Third Proportional to 135,456 and 297,160

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Solution

The third proportional to 135,456 and 297,160 is: 651,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,456 : 297,160 = 297,160 : x
  2. Step 2: Convert to fraction form
    135,456/297,160 = 297,160/x
  3. Step 3: Cross multiply
    135,456x = 297,160 × 297,160
  4. Step 4: Simplify right side
    135,456x = 88,304,065,600
  5. Step 5: Solve for x
    x = 88,304,065,600/135,456
  6. Step 6: Final answer
    x = 651,902.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.