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Finding the Third Proportional to 1,978,661.25 and 2,956,347

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Solution

The third proportional to 1,978,661.25 and 2,956,347 is: 4,417,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,661.25 : 2,956,347 = 2,956,347 : x
  2. Step 2: Convert to fraction form
    1,978,661.25/2,956,347 = 2,956,347/x
  3. Step 3: Cross multiply
    1,978,661.25x = 2,956,347 × 2,956,347
  4. Step 4: Simplify right side
    1,978,661.25x = 8,739,987,584,409
  5. Step 5: Solve for x
    x = 8,739,987,584,409/1,978,661.25
  6. Step 6: Final answer
    x = 4,417,121.72

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.