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Finding the Third Proportional to 79,137 and 161,206.50

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Solution

The third proportional to 79,137 and 161,206.50 is: 328,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,137 : 161,206.50 = 161,206.50 : x
  2. Step 2: Convert to fraction form
    79,137/161,206.50 = 161,206.50/x
  3. Step 3: Cross multiply
    79,137x = 161,206.50 × 161,206.50
  4. Step 4: Simplify right side
    79,137x = 25,987,535,642.25
  5. Step 5: Solve for x
    x = 25,987,535,642.25/79,137
  6. Step 6: Final answer
    x = 328,386.67

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.