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Finding the Third Proportional to 308,982 and 413,841

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Solution

The third proportional to 308,982 and 413,841 is: 554,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,982 : 413,841 = 413,841 : x
  2. Step 2: Convert to fraction form
    308,982/413,841 = 413,841/x
  3. Step 3: Cross multiply
    308,982x = 413,841 × 413,841
  4. Step 4: Simplify right side
    308,982x = 171,264,373,281
  5. Step 5: Solve for x
    x = 171,264,373,281/308,982
  6. Step 6: Final answer
    x = 554,285.92

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.