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Finding the Third Proportional to 3,690,398.50 and 5,194,623.50

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Solution

The third proportional to 3,690,398.50 and 5,194,623.50 is: 7,311,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,398.50 : 5,194,623.50 = 5,194,623.50 : x
  2. Step 2: Convert to fraction form
    3,690,398.50/5,194,623.50 = 5,194,623.50/x
  3. Step 3: Cross multiply
    3,690,398.50x = 5,194,623.50 × 5,194,623.50
  4. Step 4: Simplify right side
    3,690,398.50x = 26,984,113,306,752.25
  5. Step 5: Solve for x
    x = 26,984,113,306,752.25/3,690,398.50
  6. Step 6: Final answer
    x = 7,311,978.18

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.