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Finding the Third Proportional to 122,930 and 185,516

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Solution

The third proportional to 122,930 and 185,516 is: 279,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,930 : 185,516 = 185,516 : x
  2. Step 2: Convert to fraction form
    122,930/185,516 = 185,516/x
  3. Step 3: Cross multiply
    122,930x = 185,516 × 185,516
  4. Step 4: Simplify right side
    122,930x = 34,416,186,256
  5. Step 5: Solve for x
    x = 34,416,186,256/122,930
  6. Step 6: Final answer
    x = 279,965.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.