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Finding the Third Proportional to 7,900,020 and 16,919,793

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Solution

The third proportional to 7,900,020 and 16,919,793 is: 36,237,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900,020 : 16,919,793 = 16,919,793 : x
  2. Step 2: Convert to fraction form
    7,900,020/16,919,793 = 16,919,793/x
  3. Step 3: Cross multiply
    7,900,020x = 16,919,793 × 16,919,793
  4. Step 4: Simplify right side
    7,900,020x = 286,279,395,162,849
  5. Step 5: Solve for x
    x = 286,279,395,162,849/7,900,020
  6. Step 6: Final answer
    x = 36,237,806.38

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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.