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Finding the Third Proportional to 86,494.50 and 190,029

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Solution

The third proportional to 86,494.50 and 190,029 is: 417,494.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,494.50 : 190,029 = 190,029 : x
  2. Step 2: Convert to fraction form
    86,494.50/190,029 = 190,029/x
  3. Step 3: Cross multiply
    86,494.50x = 190,029 × 190,029
  4. Step 4: Simplify right side
    86,494.50x = 36,111,020,841
  5. Step 5: Solve for x
    x = 36,111,020,841/86,494.50
  6. Step 6: Final answer
    x = 417,494.99

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.