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Finding the Third Proportional to 331,640 and 710,595

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Solution

The third proportional to 331,640 and 710,595 is: 1,522,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,640 : 710,595 = 710,595 : x
  2. Step 2: Convert to fraction form
    331,640/710,595 = 710,595/x
  3. Step 3: Cross multiply
    331,640x = 710,595 × 710,595
  4. Step 4: Simplify right side
    331,640x = 504,945,254,025
  5. Step 5: Solve for x
    x = 504,945,254,025/331,640
  6. Step 6: Final answer
    x = 1,522,570.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.