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Finding the Third Proportional to 79,072 and 186,658

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Solution

The third proportional to 79,072 and 186,658 is: 440,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,072 : 186,658 = 186,658 : x
  2. Step 2: Convert to fraction form
    79,072/186,658 = 186,658/x
  3. Step 3: Cross multiply
    79,072x = 186,658 × 186,658
  4. Step 4: Simplify right side
    79,072x = 34,841,208,964
  5. Step 5: Solve for x
    x = 34,841,208,964/79,072
  6. Step 6: Final answer
    x = 440,626.38

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.