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Finding the Third Proportional to 5,580,000 and 7,897,869

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Solution

The third proportional to 5,580,000 and 7,897,869 is: 11,178,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580,000 : 7,897,869 = 7,897,869 : x
  2. Step 2: Convert to fraction form
    5,580,000/7,897,869 = 7,897,869/x
  3. Step 3: Cross multiply
    5,580,000x = 7,897,869 × 7,897,869
  4. Step 4: Simplify right side
    5,580,000x = 62,376,334,741,161
  5. Step 5: Solve for x
    x = 62,376,334,741,161/5,580,000
  6. Step 6: Final answer
    x = 11,178,554.61

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.