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Finding the Third Proportional to 828,941.25 and 1,318,139.25

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Solution

The third proportional to 828,941.25 and 1,318,139.25 is: 2,096,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,941.25 : 1,318,139.25 = 1,318,139.25 : x
  2. Step 2: Convert to fraction form
    828,941.25/1,318,139.25 = 1,318,139.25/x
  3. Step 3: Cross multiply
    828,941.25x = 1,318,139.25 × 1,318,139.25
  4. Step 4: Simplify right side
    828,941.25x = 1,737,491,082,390.56
  5. Step 5: Solve for x
    x = 1,737,491,082,390.56/828,941.25
  6. Step 6: Final answer
    x = 2,096,036.46

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.