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Finding the Third Proportional to 327,495 and 520,770

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Solution

The third proportional to 327,495 and 520,770 is: 828,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,495 : 520,770 = 520,770 : x
  2. Step 2: Convert to fraction form
    327,495/520,770 = 520,770/x
  3. Step 3: Cross multiply
    327,495x = 520,770 × 520,770
  4. Step 4: Simplify right side
    327,495x = 271,201,392,900
  5. Step 5: Solve for x
    x = 271,201,392,900/327,495
  6. Step 6: Final answer
    x = 828,108.50

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.