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Finding the Third Proportional to 65,428 and 141,218

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Solution

The third proportional to 65,428 and 141,218 is: 304,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,428 : 141,218 = 141,218 : x
  2. Step 2: Convert to fraction form
    65,428/141,218 = 141,218/x
  3. Step 3: Cross multiply
    65,428x = 141,218 × 141,218
  4. Step 4: Simplify right side
    65,428x = 19,942,523,524
  5. Step 5: Solve for x
    x = 19,942,523,524/65,428
  6. Step 6: Final answer
    x = 304,801.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.