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Finding the Third Proportional to 52,456 and 115,280

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Solution

The third proportional to 52,456 and 115,280 is: 253,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,456 : 115,280 = 115,280 : x
  2. Step 2: Convert to fraction form
    52,456/115,280 = 115,280/x
  3. Step 3: Cross multiply
    52,456x = 115,280 × 115,280
  4. Step 4: Simplify right side
    52,456x = 13,289,478,400
  5. Step 5: Solve for x
    x = 13,289,478,400/52,456
  6. Step 6: Final answer
    x = 253,345.25

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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.