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Finding the Third Proportional to 850,707 and 1,869,138

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Solution

The third proportional to 850,707 and 1,869,138 is: 4,106,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,707 : 1,869,138 = 1,869,138 : x
  2. Step 2: Convert to fraction form
    850,707/1,869,138 = 1,869,138/x
  3. Step 3: Cross multiply
    850,707x = 1,869,138 × 1,869,138
  4. Step 4: Simplify right side
    850,707x = 3,493,676,863,044
  5. Step 5: Solve for x
    x = 3,493,676,863,044/850,707
  6. Step 6: Final answer
    x = 4,106,792.19

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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.