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Finding the Third Proportional to 153,484.88 and 313,211.81

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Solution

The third proportional to 153,484.88 and 313,211.81 is: 639,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,484.88 : 313,211.81 = 313,211.81 : x
  2. Step 2: Convert to fraction form
    153,484.88/313,211.81 = 313,211.81/x
  3. Step 3: Cross multiply
    153,484.88x = 313,211.81 × 313,211.81
  4. Step 4: Simplify right side
    153,484.88x = 98,101,639,489.54
  5. Step 5: Solve for x
    x = 98,101,639,489.54/153,484.88
  6. Step 6: Final answer
    x = 639,161.61

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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.