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Finding the Third Proportional to 213,279 and 493,749

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Solution

The third proportional to 213,279 and 493,749 is: 1,143,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,279 : 493,749 = 493,749 : x
  2. Step 2: Convert to fraction form
    213,279/493,749 = 493,749/x
  3. Step 3: Cross multiply
    213,279x = 493,749 × 493,749
  4. Step 4: Simplify right side
    213,279x = 243,788,075,001
  5. Step 5: Solve for x
    x = 243,788,075,001/213,279
  6. Step 6: Final answer
    x = 1,143,047.72

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.