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Finding the Third Proportional to 999,980 and 1,548,788

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Solution

The third proportional to 999,980 and 1,548,788 is: 2,398,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,980 : 1,548,788 = 1,548,788 : x
  2. Step 2: Convert to fraction form
    999,980/1,548,788 = 1,548,788/x
  3. Step 3: Cross multiply
    999,980x = 1,548,788 × 1,548,788
  4. Step 4: Simplify right side
    999,980x = 2,398,744,268,944
  5. Step 5: Solve for x
    x = 2,398,744,268,944/999,980
  6. Step 6: Final answer
    x = 2,398,792.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.