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Finding the Third Proportional to 185,290 and 251,688

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Solution

The third proportional to 185,290 and 251,688 is: 341,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,290 : 251,688 = 251,688 : x
  2. Step 2: Convert to fraction form
    185,290/251,688 = 251,688/x
  3. Step 3: Cross multiply
    185,290x = 251,688 × 251,688
  4. Step 4: Simplify right side
    185,290x = 63,346,849,344
  5. Step 5: Solve for x
    x = 63,346,849,344/185,290
  6. Step 6: Final answer
    x = 341,879.48

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.