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Finding the Third Proportional to 248,428 and 538,872

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Solution

The third proportional to 248,428 and 538,872 is: 1,168,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,428 : 538,872 = 538,872 : x
  2. Step 2: Convert to fraction form
    248,428/538,872 = 538,872/x
  3. Step 3: Cross multiply
    248,428x = 538,872 × 538,872
  4. Step 4: Simplify right side
    248,428x = 290,383,032,384
  5. Step 5: Solve for x
    x = 290,383,032,384/248,428
  6. Step 6: Final answer
    x = 1,168,882.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.