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Finding the Third Proportional to 156,927 and 345,524

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Solution

The third proportional to 156,927 and 345,524 is: 760,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927 : 345,524 = 345,524 : x
  2. Step 2: Convert to fraction form
    156,927/345,524 = 345,524/x
  3. Step 3: Cross multiply
    156,927x = 345,524 × 345,524
  4. Step 4: Simplify right side
    156,927x = 119,386,834,576
  5. Step 5: Solve for x
    x = 119,386,834,576/156,927
  6. Step 6: Final answer
    x = 760,779.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.