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Finding the Third Proportional to 163,345.78 and 247,480.95

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Solution

The third proportional to 163,345.78 and 247,480.95 is: 374,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,345.78 : 247,480.95 = 247,480.95 : x
  2. Step 2: Convert to fraction form
    163,345.78/247,480.95 = 247,480.95/x
  3. Step 3: Cross multiply
    163,345.78x = 247,480.95 × 247,480.95
  4. Step 4: Simplify right side
    163,345.78x = 61,246,818,292.77
  5. Step 5: Solve for x
    x = 61,246,818,292.77/163,345.78
  6. Step 6: Final answer
    x = 374,951.94

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.