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Finding the Third Proportional to 1,243,194.75 and 1,919,709

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Solution

The third proportional to 1,243,194.75 and 1,919,709 is: 2,964,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,194.75 : 1,919,709 = 1,919,709 : x
  2. Step 2: Convert to fraction form
    1,243,194.75/1,919,709 = 1,919,709/x
  3. Step 3: Cross multiply
    1,243,194.75x = 1,919,709 × 1,919,709
  4. Step 4: Simplify right side
    1,243,194.75x = 3,685,282,644,681
  5. Step 5: Solve for x
    x = 3,685,282,644,681/1,243,194.75
  6. Step 6: Final answer
    x = 2,964,364.71

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.