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Finding the Third Proportional to 1,780,663.50 and 4,199,229

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Solution

The third proportional to 1,780,663.50 and 4,199,229 is: 9,902,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,663.50 : 4,199,229 = 4,199,229 : x
  2. Step 2: Convert to fraction form
    1,780,663.50/4,199,229 = 4,199,229/x
  3. Step 3: Cross multiply
    1,780,663.50x = 4,199,229 × 4,199,229
  4. Step 4: Simplify right side
    1,780,663.50x = 17,633,524,194,441
  5. Step 5: Solve for x
    x = 17,633,524,194,441/1,780,663.50
  6. Step 6: Final answer
    x = 9,902,782.98

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.