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Finding the Third Proportional to 75,416 and 156,052

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Solution

The third proportional to 75,416 and 156,052 is: 322,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,416 : 156,052 = 156,052 : x
  2. Step 2: Convert to fraction form
    75,416/156,052 = 156,052/x
  3. Step 3: Cross multiply
    75,416x = 156,052 × 156,052
  4. Step 4: Simplify right side
    75,416x = 24,352,226,704
  5. Step 5: Solve for x
    x = 24,352,226,704/75,416
  6. Step 6: Final answer
    x = 322,905.31

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.