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Finding the Third Proportional to 189,924 and 295,246

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Solution

The third proportional to 189,924 and 295,246 is: 458,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,924 : 295,246 = 295,246 : x
  2. Step 2: Convert to fraction form
    189,924/295,246 = 295,246/x
  3. Step 3: Cross multiply
    189,924x = 295,246 × 295,246
  4. Step 4: Simplify right side
    189,924x = 87,170,200,516
  5. Step 5: Solve for x
    x = 87,170,200,516/189,924
  6. Step 6: Final answer
    x = 458,974.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.