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Finding the Third Proportional to 37,253,859 and 81,433,221

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Solution

The third proportional to 37,253,859 and 81,433,221 is: 178,004,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,253,859 : 81,433,221 = 81,433,221 : x
  2. Step 2: Convert to fraction form
    37,253,859/81,433,221 = 81,433,221/x
  3. Step 3: Cross multiply
    37,253,859x = 81,433,221 × 81,433,221
  4. Step 4: Simplify right side
    37,253,859x = 6,631,369,482,434,841
  5. Step 5: Solve for x
    x = 6,631,369,482,434,841/37,253,859
  6. Step 6: Final answer
    x = 178,004,900.98

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.