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Finding the Third Proportional to 127,358 and 275,480

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Solution

The third proportional to 127,358 and 275,480 is: 595,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,358 : 275,480 = 275,480 : x
  2. Step 2: Convert to fraction form
    127,358/275,480 = 275,480/x
  3. Step 3: Cross multiply
    127,358x = 275,480 × 275,480
  4. Step 4: Simplify right side
    127,358x = 75,889,230,400
  5. Step 5: Solve for x
    x = 75,889,230,400/127,358
  6. Step 6: Final answer
    x = 595,873.29

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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.