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Finding the Third Proportional to 1,217,255.34 and 1,899,579.09

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Solution

The third proportional to 1,217,255.34 and 1,899,579.09 is: 2,964,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,255.34 : 1,899,579.09 = 1,899,579.09 : x
  2. Step 2: Convert to fraction form
    1,217,255.34/1,899,579.09 = 1,899,579.09/x
  3. Step 3: Cross multiply
    1,217,255.34x = 1,899,579.09 × 1,899,579.09
  4. Step 4: Simplify right side
    1,217,255.34x = 3,608,400,733,412.07
  5. Step 5: Solve for x
    x = 3,608,400,733,412.07/1,217,255.34
  6. Step 6: Final answer
    x = 2,964,374.53

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.