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Finding the Third Proportional to 62,109.75 and 134,140.50

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Solution

The third proportional to 62,109.75 and 134,140.50 is: 289,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,109.75 : 134,140.50 = 134,140.50 : x
  2. Step 2: Convert to fraction form
    62,109.75/134,140.50 = 134,140.50/x
  3. Step 3: Cross multiply
    62,109.75x = 134,140.50 × 134,140.50
  4. Step 4: Simplify right side
    62,109.75x = 17,993,673,740.25
  5. Step 5: Solve for x
    x = 17,993,673,740.25/62,109.75
  6. Step 6: Final answer
    x = 289,707.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.