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Finding the Third Proportional to 236,682 and 513,490

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Solution

The third proportional to 236,682 and 513,490 is: 1,114,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,682 : 513,490 = 513,490 : x
  2. Step 2: Convert to fraction form
    236,682/513,490 = 513,490/x
  3. Step 3: Cross multiply
    236,682x = 513,490 × 513,490
  4. Step 4: Simplify right side
    236,682x = 263,671,980,100
  5. Step 5: Solve for x
    x = 263,671,980,100/236,682
  6. Step 6: Final answer
    x = 1,114,034.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.