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Finding the Third Proportional to 518,190 and 1,124,901

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Solution

The third proportional to 518,190 and 1,124,901 is: 2,441,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,190 : 1,124,901 = 1,124,901 : x
  2. Step 2: Convert to fraction form
    518,190/1,124,901 = 1,124,901/x
  3. Step 3: Cross multiply
    518,190x = 1,124,901 × 1,124,901
  4. Step 4: Simplify right side
    518,190x = 1,265,402,259,801
  5. Step 5: Solve for x
    x = 1,265,402,259,801/518,190
  6. Step 6: Final answer
    x = 2,441,965.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.