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Finding the Third Proportional to 42,988.50 and 94,698

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Solution

The third proportional to 42,988.50 and 94,698 is: 208,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,988.50 : 94,698 = 94,698 : x
  2. Step 2: Convert to fraction form
    42,988.50/94,698 = 94,698/x
  3. Step 3: Cross multiply
    42,988.50x = 94,698 × 94,698
  4. Step 4: Simplify right side
    42,988.50x = 8,967,711,204
  5. Step 5: Solve for x
    x = 8,967,711,204/42,988.50
  6. Step 6: Final answer
    x = 208,607.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.