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Finding the Third Proportional to 7,750,270 and 12,761,637

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Solution

The third proportional to 7,750,270 and 12,761,637 is: 21,013,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750,270 : 12,761,637 = 12,761,637 : x
  2. Step 2: Convert to fraction form
    7,750,270/12,761,637 = 12,761,637/x
  3. Step 3: Cross multiply
    7,750,270x = 12,761,637 × 12,761,637
  4. Step 4: Simplify right side
    7,750,270x = 162,859,378,919,769
  5. Step 5: Solve for x
    x = 162,859,378,919,769/7,750,270
  6. Step 6: Final answer
    x = 21,013,381.33

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.