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Finding the Third Proportional to 153,319.50 and 234,919.50

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Solution

The third proportional to 153,319.50 and 234,919.50 is: 359,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,319.50 : 234,919.50 = 234,919.50 : x
  2. Step 2: Convert to fraction form
    153,319.50/234,919.50 = 234,919.50/x
  3. Step 3: Cross multiply
    153,319.50x = 234,919.50 × 234,919.50
  4. Step 4: Simplify right side
    153,319.50x = 55,187,171,480.25
  5. Step 5: Solve for x
    x = 55,187,171,480.25/153,319.50
  6. Step 6: Final answer
    x = 359,948.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.