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Finding the Third Proportional to 163,908 and 247,369

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Solution

The third proportional to 163,908 and 247,369 is: 373,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,908 : 247,369 = 247,369 : x
  2. Step 2: Convert to fraction form
    163,908/247,369 = 247,369/x
  3. Step 3: Cross multiply
    163,908x = 247,369 × 247,369
  4. Step 4: Simplify right side
    163,908x = 61,191,422,161
  5. Step 5: Solve for x
    x = 61,191,422,161/163,908
  6. Step 6: Final answer
    x = 373,327.86

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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.