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Finding the Third Proportional to 86,653.50 and 184,239

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Solution

The third proportional to 86,653.50 and 184,239 is: 391,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,653.50 : 184,239 = 184,239 : x
  2. Step 2: Convert to fraction form
    86,653.50/184,239 = 184,239/x
  3. Step 3: Cross multiply
    86,653.50x = 184,239 × 184,239
  4. Step 4: Simplify right side
    86,653.50x = 33,944,009,121
  5. Step 5: Solve for x
    x = 33,944,009,121/86,653.50
  6. Step 6: Final answer
    x = 391,721.16

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.