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Finding the Third Proportional to 90,934.50 and 197,607

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Solution

The third proportional to 90,934.50 and 197,607 is: 429,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,934.50 : 197,607 = 197,607 : x
  2. Step 2: Convert to fraction form
    90,934.50/197,607 = 197,607/x
  3. Step 3: Cross multiply
    90,934.50x = 197,607 × 197,607
  4. Step 4: Simplify right side
    90,934.50x = 39,048,526,449
  5. Step 5: Solve for x
    x = 39,048,526,449/90,934.50
  6. Step 6: Final answer
    x = 429,413.77

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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.