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Finding the Third Proportional to 241,686 and 518,358

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Solution

The third proportional to 241,686 and 518,358 is: 1,111,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,686 : 518,358 = 518,358 : x
  2. Step 2: Convert to fraction form
    241,686/518,358 = 518,358/x
  3. Step 3: Cross multiply
    241,686x = 518,358 × 518,358
  4. Step 4: Simplify right side
    241,686x = 268,695,016,164
  5. Step 5: Solve for x
    x = 268,695,016,164/241,686
  6. Step 6: Final answer
    x = 1,111,752.51

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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.