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Finding the Third Proportional to 115,520 and 248,464

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Solution

The third proportional to 115,520 and 248,464 is: 534,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,520 : 248,464 = 248,464 : x
  2. Step 2: Convert to fraction form
    115,520/248,464 = 248,464/x
  3. Step 3: Cross multiply
    115,520x = 248,464 × 248,464
  4. Step 4: Simplify right side
    115,520x = 61,734,359,296
  5. Step 5: Solve for x
    x = 61,734,359,296/115,520
  6. Step 6: Final answer
    x = 534,404.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.