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Finding the Third Proportional to 70,329.99 and 153,999.83

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Solution

The third proportional to 70,329.99 and 153,999.83 is: 337,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,329.99 : 153,999.83 = 153,999.83 : x
  2. Step 2: Convert to fraction form
    70,329.99/153,999.83 = 153,999.83/x
  3. Step 3: Cross multiply
    70,329.99x = 153,999.83 × 153,999.83
  4. Step 4: Simplify right side
    70,329.99x = 23,715,946,460.97
  5. Step 5: Solve for x
    x = 23,715,946,460.97/70,329.99
  6. Step 6: Final answer
    x = 337,209.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.