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Finding the Third Proportional to 156,964 and 223,606

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Solution

The third proportional to 156,964 and 223,606 is: 318,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964 : 223,606 = 223,606 : x
  2. Step 2: Convert to fraction form
    156,964/223,606 = 223,606/x
  3. Step 3: Cross multiply
    156,964x = 223,606 × 223,606
  4. Step 4: Simplify right side
    156,964x = 49,999,643,236
  5. Step 5: Solve for x
    x = 49,999,643,236/156,964
  6. Step 6: Final answer
    x = 318,542.11

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.