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Finding the Third Proportional to 90,676.13 and 197,410.50

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Solution

The third proportional to 90,676.13 and 197,410.50 is: 429,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,676.13 : 197,410.50 = 197,410.50 : x
  2. Step 2: Convert to fraction form
    90,676.13/197,410.50 = 197,410.50/x
  3. Step 3: Cross multiply
    90,676.13x = 197,410.50 × 197,410.50
  4. Step 4: Simplify right side
    90,676.13x = 38,970,905,510.25
  5. Step 5: Solve for x
    x = 38,970,905,510.25/90,676.13
  6. Step 6: Final answer
    x = 429,781.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.