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Finding the Third Proportional to 272,160 and 576,765

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Solution

The third proportional to 272,160 and 576,765 is: 1,222,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,160 : 576,765 = 576,765 : x
  2. Step 2: Convert to fraction form
    272,160/576,765 = 576,765/x
  3. Step 3: Cross multiply
    272,160x = 576,765 × 576,765
  4. Step 4: Simplify right side
    272,160x = 332,657,865,225
  5. Step 5: Solve for x
    x = 332,657,865,225/272,160
  6. Step 6: Final answer
    x = 1,222,287.86

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.