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Finding the Third Proportional to 354,330 and 538,053

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Solution

The third proportional to 354,330 and 538,053 is: 817,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,330 : 538,053 = 538,053 : x
  2. Step 2: Convert to fraction form
    354,330/538,053 = 538,053/x
  3. Step 3: Cross multiply
    354,330x = 538,053 × 538,053
  4. Step 4: Simplify right side
    354,330x = 289,501,030,809
  5. Step 5: Solve for x
    x = 289,501,030,809/354,330
  6. Step 6: Final answer
    x = 817,037.88

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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.