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Finding the Third Proportional to 146,207 and 318,838

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Solution

The third proportional to 146,207 and 318,838 is: 695,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,207 : 318,838 = 318,838 : x
  2. Step 2: Convert to fraction form
    146,207/318,838 = 318,838/x
  3. Step 3: Cross multiply
    146,207x = 318,838 × 318,838
  4. Step 4: Simplify right side
    146,207x = 101,657,670,244
  5. Step 5: Solve for x
    x = 101,657,670,244/146,207
  6. Step 6: Final answer
    x = 695,299.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.