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Finding the Third Proportional to 783,103 and 1,668,630

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Solution

The third proportional to 783,103 and 1,668,630 is: 3,555,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,103 : 1,668,630 = 1,668,630 : x
  2. Step 2: Convert to fraction form
    783,103/1,668,630 = 1,668,630/x
  3. Step 3: Cross multiply
    783,103x = 1,668,630 × 1,668,630
  4. Step 4: Simplify right side
    783,103x = 2,784,326,076,900
  5. Step 5: Solve for x
    x = 2,784,326,076,900/783,103
  6. Step 6: Final answer
    x = 3,555,504.29

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.