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Finding the Third Proportional to 155,130 and 248,892

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Solution

The third proportional to 155,130 and 248,892 is: 399,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,130 : 248,892 = 248,892 : x
  2. Step 2: Convert to fraction form
    155,130/248,892 = 248,892/x
  3. Step 3: Cross multiply
    155,130x = 248,892 × 248,892
  4. Step 4: Simplify right side
    155,130x = 61,947,227,664
  5. Step 5: Solve for x
    x = 61,947,227,664/155,130
  6. Step 6: Final answer
    x = 399,324.62

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.