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Finding the Third Proportional to 79,455.30 and 117,808.49

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Solution

The third proportional to 79,455.30 and 117,808.49 is: 174,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,455.30 : 117,808.49 = 117,808.49 : x
  2. Step 2: Convert to fraction form
    79,455.30/117,808.49 = 117,808.49/x
  3. Step 3: Cross multiply
    79,455.30x = 117,808.49 × 117,808.49
  4. Step 4: Simplify right side
    79,455.30x = 13,878,839,911.11
  5. Step 5: Solve for x
    x = 13,878,839,911.11/79,455.30
  6. Step 6: Final answer
    x = 174,674.81

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.