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Finding the Third Proportional to 996,870 and 2,135,490

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Solution

The third proportional to 996,870 and 2,135,490 is: 4,574,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,870 : 2,135,490 = 2,135,490 : x
  2. Step 2: Convert to fraction form
    996,870/2,135,490 = 2,135,490/x
  3. Step 3: Cross multiply
    996,870x = 2,135,490 × 2,135,490
  4. Step 4: Simplify right side
    996,870x = 4,560,317,540,100
  5. Step 5: Solve for x
    x = 4,560,317,540,100/996,870
  6. Step 6: Final answer
    x = 4,574,636.15

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.