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Finding the Third Proportional to 86,071.50 and 186,435.75

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Solution

The third proportional to 86,071.50 and 186,435.75 is: 403,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,071.50 : 186,435.75 = 186,435.75 : x
  2. Step 2: Convert to fraction form
    86,071.50/186,435.75 = 186,435.75/x
  3. Step 3: Cross multiply
    86,071.50x = 186,435.75 × 186,435.75
  4. Step 4: Simplify right side
    86,071.50x = 34,758,288,878.06
  5. Step 5: Solve for x
    x = 34,758,288,878.06/86,071.50
  6. Step 6: Final answer
    x = 403,830.41

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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.