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Finding the Third Proportional to 42,768 and 93,069

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Solution

The third proportional to 42,768 and 93,069 is: 202,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768 : 93,069 = 93,069 : x
  2. Step 2: Convert to fraction form
    42,768/93,069 = 93,069/x
  3. Step 3: Cross multiply
    42,768x = 93,069 × 93,069
  4. Step 4: Simplify right side
    42,768x = 8,661,838,761
  5. Step 5: Solve for x
    x = 8,661,838,761/42,768
  6. Step 6: Final answer
    x = 202,530.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.