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Finding the Third Proportional to 161,143.17 and 335,518.45

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Solution

The third proportional to 161,143.17 and 335,518.45 is: 698,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,143.17 : 335,518.45 = 335,518.45 : x
  2. Step 2: Convert to fraction form
    161,143.17/335,518.45 = 335,518.45/x
  3. Step 3: Cross multiply
    161,143.17x = 335,518.45 × 335,518.45
  4. Step 4: Simplify right side
    161,143.17x = 112,572,632,387.39
  5. Step 5: Solve for x
    x = 112,572,632,387.39/161,143.17
  6. Step 6: Final answer
    x = 698,587.67

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.