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Finding the Third Proportional to 1,397,821.50 and 3,057,354

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Solution

The third proportional to 1,397,821.50 and 3,057,354 is: 6,687,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,821.50 : 3,057,354 = 3,057,354 : x
  2. Step 2: Convert to fraction form
    1,397,821.50/3,057,354 = 3,057,354/x
  3. Step 3: Cross multiply
    1,397,821.50x = 3,057,354 × 3,057,354
  4. Step 4: Simplify right side
    1,397,821.50x = 9,347,413,481,316
  5. Step 5: Solve for x
    x = 9,347,413,481,316/1,397,821.50
  6. Step 6: Final answer
    x = 6,687,129.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.