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Finding the Third Proportional to 12,882,132 and 27,781,920

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Solution

The third proportional to 12,882,132 and 27,781,920 is: 59,915,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,132 : 27,781,920 = 27,781,920 : x
  2. Step 2: Convert to fraction form
    12,882,132/27,781,920 = 27,781,920/x
  3. Step 3: Cross multiply
    12,882,132x = 27,781,920 × 27,781,920
  4. Step 4: Simplify right side
    12,882,132x = 771,835,078,886,400
  5. Step 5: Solve for x
    x = 771,835,078,886,400/12,882,132
  6. Step 6: Final answer
    x = 59,915,166.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.