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Finding the Third Proportional to 1,421,355.50 and 2,320,699

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Solution

The third proportional to 1,421,355.50 and 2,320,699 is: 3,789,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,355.50 : 2,320,699 = 2,320,699 : x
  2. Step 2: Convert to fraction form
    1,421,355.50/2,320,699 = 2,320,699/x
  3. Step 3: Cross multiply
    1,421,355.50x = 2,320,699 × 2,320,699
  4. Step 4: Simplify right side
    1,421,355.50x = 5,385,643,848,601
  5. Step 5: Solve for x
    x = 5,385,643,848,601/1,421,355.50
  6. Step 6: Final answer
    x = 3,789,089.96

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.