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Finding the Third Proportional to 193,617 and 424,634

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Solution

The third proportional to 193,617 and 424,634 is: 931,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,617 : 424,634 = 424,634 : x
  2. Step 2: Convert to fraction form
    193,617/424,634 = 424,634/x
  3. Step 3: Cross multiply
    193,617x = 424,634 × 424,634
  4. Step 4: Simplify right side
    193,617x = 180,314,033,956
  5. Step 5: Solve for x
    x = 180,314,033,956/193,617
  6. Step 6: Final answer
    x = 931,292.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.