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Finding the Third Proportional to 599,720 and 1,288,364

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Solution

The third proportional to 599,720 and 1,288,364 is: 2,767,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,720 : 1,288,364 = 1,288,364 : x
  2. Step 2: Convert to fraction form
    599,720/1,288,364 = 1,288,364/x
  3. Step 3: Cross multiply
    599,720x = 1,288,364 × 1,288,364
  4. Step 4: Simplify right side
    599,720x = 1,659,881,796,496
  5. Step 5: Solve for x
    x = 1,659,881,796,496/599,720
  6. Step 6: Final answer
    x = 2,767,761.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.