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Finding the Third Proportional to 938,635.50 and 1,921,011

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Solution

The third proportional to 938,635.50 and 1,921,011 is: 3,931,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,635.50 : 1,921,011 = 1,921,011 : x
  2. Step 2: Convert to fraction form
    938,635.50/1,921,011 = 1,921,011/x
  3. Step 3: Cross multiply
    938,635.50x = 1,921,011 × 1,921,011
  4. Step 4: Simplify right side
    938,635.50x = 3,690,283,262,121
  5. Step 5: Solve for x
    x = 3,690,283,262,121/938,635.50
  6. Step 6: Final answer
    x = 3,931,540.26

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.