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Finding the Third Proportional to 563,890.50 and 1,239,939

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Solution

The third proportional to 563,890.50 and 1,239,939 is: 2,726,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,890.50 : 1,239,939 = 1,239,939 : x
  2. Step 2: Convert to fraction form
    563,890.50/1,239,939 = 1,239,939/x
  3. Step 3: Cross multiply
    563,890.50x = 1,239,939 × 1,239,939
  4. Step 4: Simplify right side
    563,890.50x = 1,537,448,723,721
  5. Step 5: Solve for x
    x = 1,537,448,723,721/563,890.50
  6. Step 6: Final answer
    x = 2,726,502.26

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.