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Finding the Third Proportional to 5,421,150 and 7,227,239

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Solution

The third proportional to 5,421,150 and 7,227,239 is: 9,635,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,150 : 7,227,239 = 7,227,239 : x
  2. Step 2: Convert to fraction form
    5,421,150/7,227,239 = 7,227,239/x
  3. Step 3: Cross multiply
    5,421,150x = 7,227,239 × 7,227,239
  4. Step 4: Simplify right side
    5,421,150x = 52,232,983,563,121
  5. Step 5: Solve for x
    x = 52,232,983,563,121/5,421,150
  6. Step 6: Final answer
    x = 9,635,037.50

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.