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Finding the Third Proportional to 999,608 and 2,176,696

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Solution

The third proportional to 999,608 and 2,176,696 is: 4,739,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,608 : 2,176,696 = 2,176,696 : x
  2. Step 2: Convert to fraction form
    999,608/2,176,696 = 2,176,696/x
  3. Step 3: Cross multiply
    999,608x = 2,176,696 × 2,176,696
  4. Step 4: Simplify right side
    999,608x = 4,738,005,476,416
  5. Step 5: Solve for x
    x = 4,738,005,476,416/999,608
  6. Step 6: Final answer
    x = 4,739,863.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.