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Finding the Third Proportional to 86,346 and 187,464.38

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Solution

The third proportional to 86,346 and 187,464.38 is: 407,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,346 : 187,464.38 = 187,464.38 : x
  2. Step 2: Convert to fraction form
    86,346/187,464.38 = 187,464.38/x
  3. Step 3: Cross multiply
    86,346x = 187,464.38 × 187,464.38
  4. Step 4: Simplify right side
    86,346x = 35,142,891,894.14
  5. Step 5: Solve for x
    x = 35,142,891,894.14/86,346
  6. Step 6: Final answer
    x = 407,000.81

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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.