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Finding the Third Proportional to 5,430,107 and 7,967,644

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Solution

The third proportional to 5,430,107 and 7,967,644 is: 11,690,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,107 : 7,967,644 = 7,967,644 : x
  2. Step 2: Convert to fraction form
    5,430,107/7,967,644 = 7,967,644/x
  3. Step 3: Cross multiply
    5,430,107x = 7,967,644 × 7,967,644
  4. Step 4: Simplify right side
    5,430,107x = 63,483,350,910,736
  5. Step 5: Solve for x
    x = 63,483,350,910,736/5,430,107
  6. Step 6: Final answer
    x = 11,690,994.47

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.