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Finding the Third Proportional to 717,906.50 and 1,111,477

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Solution

The third proportional to 717,906.50 and 1,111,477 is: 1,720,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,906.50 : 1,111,477 = 1,111,477 : x
  2. Step 2: Convert to fraction form
    717,906.50/1,111,477 = 1,111,477/x
  3. Step 3: Cross multiply
    717,906.50x = 1,111,477 × 1,111,477
  4. Step 4: Simplify right side
    717,906.50x = 1,235,381,121,529
  5. Step 5: Solve for x
    x = 1,235,381,121,529/717,906.50
  6. Step 6: Final answer
    x = 1,720,810.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.