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Finding the Third Proportional to 163,924 and 253,163

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Solution

The third proportional to 163,924 and 253,163 is: 390,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,924 : 253,163 = 253,163 : x
  2. Step 2: Convert to fraction form
    163,924/253,163 = 253,163/x
  3. Step 3: Cross multiply
    163,924x = 253,163 × 253,163
  4. Step 4: Simplify right side
    163,924x = 64,091,504,569
  5. Step 5: Solve for x
    x = 64,091,504,569/163,924
  6. Step 6: Final answer
    x = 390,983.04

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.