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Finding the Third Proportional to 783,690.50 and 1,103,609

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Solution

The third proportional to 783,690.50 and 1,103,609 is: 1,554,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,690.50 : 1,103,609 = 1,103,609 : x
  2. Step 2: Convert to fraction form
    783,690.50/1,103,609 = 1,103,609/x
  3. Step 3: Cross multiply
    783,690.50x = 1,103,609 × 1,103,609
  4. Step 4: Simplify right side
    783,690.50x = 1,217,952,824,881
  5. Step 5: Solve for x
    x = 1,217,952,824,881/783,690.50
  6. Step 6: Final answer
    x = 1,554,124.78

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.