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Finding the Third Proportional to 7,900,028 and 16,919,809

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Solution

The third proportional to 7,900,028 and 16,919,809 is: 36,237,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900,028 : 16,919,809 = 16,919,809 : x
  2. Step 2: Convert to fraction form
    7,900,028/16,919,809 = 16,919,809/x
  3. Step 3: Cross multiply
    7,900,028x = 16,919,809 × 16,919,809
  4. Step 4: Simplify right side
    7,900,028x = 286,279,936,596,481
  5. Step 5: Solve for x
    x = 286,279,936,596,481/7,900,028
  6. Step 6: Final answer
    x = 36,237,838.22

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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.