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Finding the Third Proportional to 5,375,390 and 11,605,900

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Solution

The third proportional to 5,375,390 and 11,605,900 is: 25,058,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375,390 : 11,605,900 = 11,605,900 : x
  2. Step 2: Convert to fraction form
    5,375,390/11,605,900 = 11,605,900/x
  3. Step 3: Cross multiply
    5,375,390x = 11,605,900 × 11,605,900
  4. Step 4: Simplify right side
    5,375,390x = 134,696,914,810,000
  5. Step 5: Solve for x
    x = 134,696,914,810,000/5,375,390
  6. Step 6: Final answer
    x = 25,058,072.96

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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.