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Finding the Third Proportional to 7,976,290 and 12,374,134

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Solution

The third proportional to 7,976,290 and 12,374,134 is: 19,196,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976,290 : 12,374,134 = 12,374,134 : x
  2. Step 2: Convert to fraction form
    7,976,290/12,374,134 = 12,374,134/x
  3. Step 3: Cross multiply
    7,976,290x = 12,374,134 × 12,374,134
  4. Step 4: Simplify right side
    7,976,290x = 153,119,192,249,956
  5. Step 5: Solve for x
    x = 153,119,192,249,956/7,976,290
  6. Step 6: Final answer
    x = 19,196,793.53

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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.