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Finding the Third Proportional to 42,788 and 93,868

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Solution

The third proportional to 42,788 and 93,868 is: 205,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,788 : 93,868 = 93,868 : x
  2. Step 2: Convert to fraction form
    42,788/93,868 = 93,868/x
  3. Step 3: Cross multiply
    42,788x = 93,868 × 93,868
  4. Step 4: Simplify right side
    42,788x = 8,811,201,424
  5. Step 5: Solve for x
    x = 8,811,201,424/42,788
  6. Step 6: Final answer
    x = 205,926.93

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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.