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Finding the Third Proportional to 74,056 and 156,940

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Solution

The third proportional to 74,056 and 156,940 is: 332,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,056 : 156,940 = 156,940 : x
  2. Step 2: Convert to fraction form
    74,056/156,940 = 156,940/x
  3. Step 3: Cross multiply
    74,056x = 156,940 × 156,940
  4. Step 4: Simplify right side
    74,056x = 24,630,163,600
  5. Step 5: Solve for x
    x = 24,630,163,600/74,056
  6. Step 6: Final answer
    x = 332,588.36

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.