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Finding the Third Proportional to 354,456 and 538,237.13

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Solution

The third proportional to 354,456 and 538,237.13 is: 817,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,456 : 538,237.13 = 538,237.13 : x
  2. Step 2: Convert to fraction form
    354,456/538,237.13 = 538,237.13/x
  3. Step 3: Cross multiply
    354,456x = 538,237.13 × 538,237.13
  4. Step 4: Simplify right side
    354,456x = 289,699,202,728.27
  5. Step 5: Solve for x
    x = 289,699,202,728.27/354,456
  6. Step 6: Final answer
    x = 817,306.53

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.