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Finding the Third Proportional to 39,154 and 85,365

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Solution

The third proportional to 39,154 and 85,365 is: 186,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,154 : 85,365 = 85,365 : x
  2. Step 2: Convert to fraction form
    39,154/85,365 = 85,365/x
  3. Step 3: Cross multiply
    39,154x = 85,365 × 85,365
  4. Step 4: Simplify right side
    39,154x = 7,287,183,225
  5. Step 5: Solve for x
    x = 7,287,183,225/39,154
  6. Step 6: Final answer
    x = 186,115.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.