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Finding the Third Proportional to 361,319 and 786,979

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Solution

The third proportional to 361,319 and 786,979 is: 1,714,097.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,319 : 786,979 = 786,979 : x
  2. Step 2: Convert to fraction form
    361,319/786,979 = 786,979/x
  3. Step 3: Cross multiply
    361,319x = 786,979 × 786,979
  4. Step 4: Simplify right side
    361,319x = 619,335,946,441
  5. Step 5: Solve for x
    x = 619,335,946,441/361,319
  6. Step 6: Final answer
    x = 1,714,097.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.