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Finding the Third Proportional to 119,436 and 186,416

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Solution

The third proportional to 119,436 and 186,416 is: 290,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,436 : 186,416 = 186,416 : x
  2. Step 2: Convert to fraction form
    119,436/186,416 = 186,416/x
  3. Step 3: Cross multiply
    119,436x = 186,416 × 186,416
  4. Step 4: Simplify right side
    119,436x = 34,750,925,056
  5. Step 5: Solve for x
    x = 34,750,925,056/119,436
  6. Step 6: Final answer
    x = 290,958.55

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.