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Finding the Third Proportional to 163,887 and 247,329

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Solution

The third proportional to 163,887 and 247,329 is: 373,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,887 : 247,329 = 247,329 : x
  2. Step 2: Convert to fraction form
    163,887/247,329 = 247,329/x
  3. Step 3: Cross multiply
    163,887x = 247,329 × 247,329
  4. Step 4: Simplify right side
    163,887x = 61,171,634,241
  5. Step 5: Solve for x
    x = 61,171,634,241/163,887
  6. Step 6: Final answer
    x = 373,254.95

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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.