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Finding the Third Proportional to 329,984.50 and 470,977.75

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Solution

The third proportional to 329,984.50 and 470,977.75 is: 672,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,984.50 : 470,977.75 = 470,977.75 : x
  2. Step 2: Convert to fraction form
    329,984.50/470,977.75 = 470,977.75/x
  3. Step 3: Cross multiply
    329,984.50x = 470,977.75 × 470,977.75
  4. Step 4: Simplify right side
    329,984.50x = 221,820,040,995.06
  5. Step 5: Solve for x
    x = 221,820,040,995.06/329,984.50
  6. Step 6: Final answer
    x = 672,213.52

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.