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Finding the Third Proportional to 1,665,339 and 3,929,959.50

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Solution

The third proportional to 1,665,339 and 3,929,959.50 is: 9,274,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,339 : 3,929,959.50 = 3,929,959.50 : x
  2. Step 2: Convert to fraction form
    1,665,339/3,929,959.50 = 3,929,959.50/x
  3. Step 3: Cross multiply
    1,665,339x = 3,929,959.50 × 3,929,959.50
  4. Step 4: Simplify right side
    1,665,339x = 15,444,581,671,640.25
  5. Step 5: Solve for x
    x = 15,444,581,671,640.25/1,665,339
  6. Step 6: Final answer
    x = 9,274,136.78

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.