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Finding the Third Proportional to 911,780.50 and 2,110,609

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Solution

The third proportional to 911,780.50 and 2,110,609 is: 4,885,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,780.50 : 2,110,609 = 2,110,609 : x
  2. Step 2: Convert to fraction form
    911,780.50/2,110,609 = 2,110,609/x
  3. Step 3: Cross multiply
    911,780.50x = 2,110,609 × 2,110,609
  4. Step 4: Simplify right side
    911,780.50x = 4,454,670,350,881
  5. Step 5: Solve for x
    x = 4,454,670,350,881/911,780.50
  6. Step 6: Final answer
    x = 4,885,682.85

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.