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Finding the Third Proportional to 156,734 and 235,443

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Solution

The third proportional to 156,734 and 235,443 is: 353,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,734 : 235,443 = 235,443 : x
  2. Step 2: Convert to fraction form
    156,734/235,443 = 235,443/x
  3. Step 3: Cross multiply
    156,734x = 235,443 × 235,443
  4. Step 4: Simplify right side
    156,734x = 55,433,406,249
  5. Step 5: Solve for x
    x = 55,433,406,249/156,734
  6. Step 6: Final answer
    x = 353,678.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.