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Finding the Third Proportional to 1,239,978 and 1,896,781.50

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Solution

The third proportional to 1,239,978 and 1,896,781.50 is: 2,901,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,978 : 1,896,781.50 = 1,896,781.50 : x
  2. Step 2: Convert to fraction form
    1,239,978/1,896,781.50 = 1,896,781.50/x
  3. Step 3: Cross multiply
    1,239,978x = 1,896,781.50 × 1,896,781.50
  4. Step 4: Simplify right side
    1,239,978x = 3,597,780,058,742.25
  5. Step 5: Solve for x
    x = 3,597,780,058,742.25/1,239,978
  6. Step 6: Final answer
    x = 2,901,487.01

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.