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Finding the Third Proportional to 995,990 and 2,137,120

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Solution

The third proportional to 995,990 and 2,137,120 is: 4,585,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,990 : 2,137,120 = 2,137,120 : x
  2. Step 2: Convert to fraction form
    995,990/2,137,120 = 2,137,120/x
  3. Step 3: Cross multiply
    995,990x = 2,137,120 × 2,137,120
  4. Step 4: Simplify right side
    995,990x = 4,567,281,894,400
  5. Step 5: Solve for x
    x = 4,567,281,894,400/995,990
  6. Step 6: Final answer
    x = 4,585,670.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.