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Finding the Third Proportional to 7,976,288 and 12,374,130

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Solution

The third proportional to 7,976,288 and 12,374,130 is: 19,196,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976,288 : 12,374,130 = 12,374,130 : x
  2. Step 2: Convert to fraction form
    7,976,288/12,374,130 = 12,374,130/x
  3. Step 3: Cross multiply
    7,976,288x = 12,374,130 × 12,374,130
  4. Step 4: Simplify right side
    7,976,288x = 153,119,093,256,900
  5. Step 5: Solve for x
    x = 153,119,093,256,900/7,976,288
  6. Step 6: Final answer
    x = 19,196,785.93

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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.