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Finding the Third Proportional to 995,981 and 2,160,847

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Solution

The third proportional to 995,981 and 2,160,847 is: 4,688,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,981 : 2,160,847 = 2,160,847 : x
  2. Step 2: Convert to fraction form
    995,981/2,160,847 = 2,160,847/x
  3. Step 3: Cross multiply
    995,981x = 2,160,847 × 2,160,847
  4. Step 4: Simplify right side
    995,981x = 4,669,259,757,409
  5. Step 5: Solve for x
    x = 4,669,259,757,409/995,981
  6. Step 6: Final answer
    x = 4,688,101.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.