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Finding the Third Proportional to 64,719 and 141,462

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Solution

The third proportional to 64,719 and 141,462 is: 309,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,719 : 141,462 = 141,462 : x
  2. Step 2: Convert to fraction form
    64,719/141,462 = 141,462/x
  3. Step 3: Cross multiply
    64,719x = 141,462 × 141,462
  4. Step 4: Simplify right side
    64,719x = 20,011,497,444
  5. Step 5: Solve for x
    x = 20,011,497,444/64,719
  6. Step 6: Final answer
    x = 309,205.91

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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.