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Finding the Third Proportional to 61,584 and 133,290

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Solution

The third proportional to 61,584 and 133,290 is: 288,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,584 : 133,290 = 133,290 : x
  2. Step 2: Convert to fraction form
    61,584/133,290 = 133,290/x
  3. Step 3: Cross multiply
    61,584x = 133,290 × 133,290
  4. Step 4: Simplify right side
    61,584x = 17,766,224,100
  5. Step 5: Solve for x
    x = 17,766,224,100/61,584
  6. Step 6: Final answer
    x = 288,487.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.