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Finding the Third Proportional to 241,712 and 518,398

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Solution

The third proportional to 241,712 and 518,398 is: 1,111,804.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,712 : 518,398 = 518,398 : x
  2. Step 2: Convert to fraction form
    241,712/518,398 = 518,398/x
  3. Step 3: Cross multiply
    241,712x = 518,398 × 518,398
  4. Step 4: Simplify right side
    241,712x = 268,736,486,404
  5. Step 5: Solve for x
    x = 268,736,486,404/241,712
  6. Step 6: Final answer
    x = 1,111,804.49

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.