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Finding the Third Proportional to 298,532 and 630,760

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Solution

The third proportional to 298,532 and 630,760 is: 1,332,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,532 : 630,760 = 630,760 : x
  2. Step 2: Convert to fraction form
    298,532/630,760 = 630,760/x
  3. Step 3: Cross multiply
    298,532x = 630,760 × 630,760
  4. Step 4: Simplify right side
    298,532x = 397,858,177,600
  5. Step 5: Solve for x
    x = 397,858,177,600/298,532
  6. Step 6: Final answer
    x = 1,332,715.35

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.