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Finding the Third Proportional to 156,737 and 344,574

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Solution

The third proportional to 156,737 and 344,574 is: 757,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,737 : 344,574 = 344,574 : x
  2. Step 2: Convert to fraction form
    156,737/344,574 = 344,574/x
  3. Step 3: Cross multiply
    156,737x = 344,574 × 344,574
  4. Step 4: Simplify right side
    156,737x = 118,731,241,476
  5. Step 5: Solve for x
    x = 118,731,241,476/156,737
  6. Step 6: Final answer
    x = 757,518.91

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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.