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Finding the Third Proportional to 115,503 and 169,254

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Solution

The third proportional to 115,503 and 169,254 is: 248,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,503 : 169,254 = 169,254 : x
  2. Step 2: Convert to fraction form
    115,503/169,254 = 169,254/x
  3. Step 3: Cross multiply
    115,503x = 169,254 × 169,254
  4. Step 4: Simplify right side
    115,503x = 28,646,916,516
  5. Step 5: Solve for x
    x = 28,646,916,516/115,503
  6. Step 6: Final answer
    x = 248,018.81

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.