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Finding the Third Proportional to 19,858 and 39,714

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Solution

The third proportional to 19,858 and 39,714 is: 79,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858 : 39,714 = 39,714 : x
  2. Step 2: Convert to fraction form
    19,858/39,714 = 39,714/x
  3. Step 3: Cross multiply
    19,858x = 39,714 × 39,714
  4. Step 4: Simplify right side
    19,858x = 1,577,201,796
  5. Step 5: Solve for x
    x = 1,577,201,796/19,858
  6. Step 6: Final answer
    x = 79,424.00

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.