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Finding the Third Proportional to 90,064 and 197,424

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Solution

The third proportional to 90,064 and 197,424 is: 432,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,064 : 197,424 = 197,424 : x
  2. Step 2: Convert to fraction form
    90,064/197,424 = 197,424/x
  3. Step 3: Cross multiply
    90,064x = 197,424 × 197,424
  4. Step 4: Simplify right side
    90,064x = 38,976,235,776
  5. Step 5: Solve for x
    x = 38,976,235,776/90,064
  6. Step 6: Final answer
    x = 432,761.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.