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Finding the Third Proportional to 1,247,359.50 and 1,737,885.38

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Solution

The third proportional to 1,247,359.50 and 1,737,885.38 is: 2,421,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,359.50 : 1,737,885.38 = 1,737,885.38 : x
  2. Step 2: Convert to fraction form
    1,247,359.50/1,737,885.38 = 1,737,885.38/x
  3. Step 3: Cross multiply
    1,247,359.50x = 1,737,885.38 × 1,737,885.38
  4. Step 4: Simplify right side
    1,247,359.50x = 3,020,245,576,638.89
  5. Step 5: Solve for x
    x = 3,020,245,576,638.89/1,247,359.50
  6. Step 6: Final answer
    x = 2,421,311.24

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.