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Finding the Third Proportional to 73,129.50 and 155,485.50

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Solution

The third proportional to 73,129.50 and 155,485.50 is: 330,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,129.50 : 155,485.50 = 155,485.50 : x
  2. Step 2: Convert to fraction form
    73,129.50/155,485.50 = 155,485.50/x
  3. Step 3: Cross multiply
    73,129.50x = 155,485.50 × 155,485.50
  4. Step 4: Simplify right side
    73,129.50x = 24,175,740,710.25
  5. Step 5: Solve for x
    x = 24,175,740,710.25/73,129.50
  6. Step 6: Final answer
    x = 330,588.08

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.