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Finding the Third Proportional to 53,414 and 79,929

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Solution

The third proportional to 53,414 and 79,929 is: 119,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,414 : 79,929 = 79,929 : x
  2. Step 2: Convert to fraction form
    53,414/79,929 = 79,929/x
  3. Step 3: Cross multiply
    53,414x = 79,929 × 79,929
  4. Step 4: Simplify right side
    53,414x = 6,388,645,041
  5. Step 5: Solve for x
    x = 6,388,645,041/53,414
  6. Step 6: Final answer
    x = 119,606.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.