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Finding the Third Proportional to 906,169.50 and 2,116,381.50

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Solution

The third proportional to 906,169.50 and 2,116,381.50 is: 4,942,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,169.50 : 2,116,381.50 = 2,116,381.50 : x
  2. Step 2: Convert to fraction form
    906,169.50/2,116,381.50 = 2,116,381.50/x
  3. Step 3: Cross multiply
    906,169.50x = 2,116,381.50 × 2,116,381.50
  4. Step 4: Simplify right side
    906,169.50x = 4,479,070,653,542.25
  5. Step 5: Solve for x
    x = 4,479,070,653,542.25/906,169.50
  6. Step 6: Final answer
    x = 4,942,861.85

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.