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Finding the Third Proportional to 208,301 and 311,088.25

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Solution

The third proportional to 208,301 and 311,088.25 is: 464,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,301 : 311,088.25 = 311,088.25 : x
  2. Step 2: Convert to fraction form
    208,301/311,088.25 = 311,088.25/x
  3. Step 3: Cross multiply
    208,301x = 311,088.25 × 311,088.25
  4. Step 4: Simplify right side
    208,301x = 96,775,899,288.06
  5. Step 5: Solve for x
    x = 96,775,899,288.06/208,301
  6. Step 6: Final answer
    x = 464,596.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.