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Finding the Third Proportional to 122,440 and 179,468

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Solution

The third proportional to 122,440 and 179,468 is: 263,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,440 : 179,468 = 179,468 : x
  2. Step 2: Convert to fraction form
    122,440/179,468 = 179,468/x
  3. Step 3: Cross multiply
    122,440x = 179,468 × 179,468
  4. Step 4: Simplify right side
    122,440x = 32,208,763,024
  5. Step 5: Solve for x
    x = 32,208,763,024/122,440
  6. Step 6: Final answer
    x = 263,057.52

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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.