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Finding the Third Proportional to 127,064 and 169,396

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Solution

The third proportional to 127,064 and 169,396 is: 225,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,064 : 169,396 = 169,396 : x
  2. Step 2: Convert to fraction form
    127,064/169,396 = 169,396/x
  3. Step 3: Cross multiply
    127,064x = 169,396 × 169,396
  4. Step 4: Simplify right side
    127,064x = 28,695,004,816
  5. Step 5: Solve for x
    x = 28,695,004,816/127,064
  6. Step 6: Final answer
    x = 225,831.12

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.