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Finding the Third Proportional to 73,309 and 156,985

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Solution

The third proportional to 73,309 and 156,985 is: 336,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,309 : 156,985 = 156,985 : x
  2. Step 2: Convert to fraction form
    73,309/156,985 = 156,985/x
  3. Step 3: Cross multiply
    73,309x = 156,985 × 156,985
  4. Step 4: Simplify right side
    73,309x = 24,644,290,225
  5. Step 5: Solve for x
    x = 24,644,290,225/73,309
  6. Step 6: Final answer
    x = 336,170.05

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.