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Finding the Third Proportional to 98,103.38 and 211,887

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Solution

The third proportional to 98,103.38 and 211,887 is: 457,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,103.38 : 211,887 = 211,887 : x
  2. Step 2: Convert to fraction form
    98,103.38/211,887 = 211,887/x
  3. Step 3: Cross multiply
    98,103.38x = 211,887 × 211,887
  4. Step 4: Simplify right side
    98,103.38x = 44,896,100,769
  5. Step 5: Solve for x
    x = 44,896,100,769/98,103.38
  6. Step 6: Final answer
    x = 457,640.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.