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Finding the Third Proportional to 73,699 and 173,237

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Solution

The third proportional to 73,699 and 173,237 is: 407,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,699 : 173,237 = 173,237 : x
  2. Step 2: Convert to fraction form
    73,699/173,237 = 173,237/x
  3. Step 3: Cross multiply
    73,699x = 173,237 × 173,237
  4. Step 4: Simplify right side
    73,699x = 30,011,058,169
  5. Step 5: Solve for x
    x = 30,011,058,169/73,699
  6. Step 6: Final answer
    x = 407,211.20

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.