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Finding the Third Proportional to 67,168 and 99,813

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Solution

The third proportional to 67,168 and 99,813 is: 148,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,168 : 99,813 = 99,813 : x
  2. Step 2: Convert to fraction form
    67,168/99,813 = 99,813/x
  3. Step 3: Cross multiply
    67,168x = 99,813 × 99,813
  4. Step 4: Simplify right side
    67,168x = 9,962,634,969
  5. Step 5: Solve for x
    x = 9,962,634,969/67,168
  6. Step 6: Final answer
    x = 148,324.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.