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Finding the Third Proportional to 74,006 and 109,299

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Solution

The third proportional to 74,006 and 109,299 is: 161,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,006 : 109,299 = 109,299 : x
  2. Step 2: Convert to fraction form
    74,006/109,299 = 109,299/x
  3. Step 3: Cross multiply
    74,006x = 109,299 × 109,299
  4. Step 4: Simplify right side
    74,006x = 11,946,271,401
  5. Step 5: Solve for x
    x = 11,946,271,401/74,006
  6. Step 6: Final answer
    x = 161,423.01

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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.