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Finding the Third Proportional to 156,989 and 340,050

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Solution

The third proportional to 156,989 and 340,050 is: 736,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989 : 340,050 = 340,050 : x
  2. Step 2: Convert to fraction form
    156,989/340,050 = 340,050/x
  3. Step 3: Cross multiply
    156,989x = 340,050 × 340,050
  4. Step 4: Simplify right side
    156,989x = 115,634,002,500
  5. Step 5: Solve for x
    x = 115,634,002,500/156,989
  6. Step 6: Final answer
    x = 736,573.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.