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Finding the Third Proportional to 209,168 and 314,228

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Solution

The third proportional to 209,168 and 314,228 is: 472,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,168 : 314,228 = 314,228 : x
  2. Step 2: Convert to fraction form
    209,168/314,228 = 314,228/x
  3. Step 3: Cross multiply
    209,168x = 314,228 × 314,228
  4. Step 4: Simplify right side
    209,168x = 98,739,235,984
  5. Step 5: Solve for x
    x = 98,739,235,984/209,168
  6. Step 6: Final answer
    x = 472,057.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.