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Finding the Third Proportional to 729,220 and 1,119,366

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Solution

The third proportional to 729,220 and 1,119,366 is: 1,718,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,220 : 1,119,366 = 1,119,366 : x
  2. Step 2: Convert to fraction form
    729,220/1,119,366 = 1,119,366/x
  3. Step 3: Cross multiply
    729,220x = 1,119,366 × 1,119,366
  4. Step 4: Simplify right side
    729,220x = 1,252,980,241,956
  5. Step 5: Solve for x
    x = 1,252,980,241,956/729,220
  6. Step 6: Final answer
    x = 1,718,247.23

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.