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Finding the Third Proportional to 214,014 and 317,940

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Solution

The third proportional to 214,014 and 317,940 is: 472,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,014 : 317,940 = 317,940 : x
  2. Step 2: Convert to fraction form
    214,014/317,940 = 317,940/x
  3. Step 3: Cross multiply
    214,014x = 317,940 × 317,940
  4. Step 4: Simplify right side
    214,014x = 101,085,843,600
  5. Step 5: Solve for x
    x = 101,085,843,600/214,014
  6. Step 6: Final answer
    x = 472,332.85

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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.