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Finding the Third Proportional to 18,926 and 39,752

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Solution

The third proportional to 18,926 and 39,752 is: 83,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926 : 39,752 = 39,752 : x
  2. Step 2: Convert to fraction form
    18,926/39,752 = 39,752/x
  3. Step 3: Cross multiply
    18,926x = 39,752 × 39,752
  4. Step 4: Simplify right side
    18,926x = 1,580,221,504
  5. Step 5: Solve for x
    x = 1,580,221,504/18,926
  6. Step 6: Final answer
    x = 83,494.74

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.