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Finding the Third Proportional to 831,849.75 and 1,339,259.06

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Solution

The third proportional to 831,849.75 and 1,339,259.06 is: 2,156,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,849.75 : 1,339,259.06 = 1,339,259.06 : x
  2. Step 2: Convert to fraction form
    831,849.75/1,339,259.06 = 1,339,259.06/x
  3. Step 3: Cross multiply
    831,849.75x = 1,339,259.06 × 1,339,259.06
  4. Step 4: Simplify right side
    831,849.75x = 1,793,614,836,488.38
  5. Step 5: Solve for x
    x = 1,793,614,836,488.38/831,849.75
  6. Step 6: Final answer
    x = 2,156,176.44

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.