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Finding the Third Proportional to 38,697,018 and 55,939,419

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Solution

The third proportional to 38,697,018 and 55,939,419 is: 80,864,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,697,018 : 55,939,419 = 55,939,419 : x
  2. Step 2: Convert to fraction form
    38,697,018/55,939,419 = 55,939,419/x
  3. Step 3: Cross multiply
    38,697,018x = 55,939,419 × 55,939,419
  4. Step 4: Simplify right side
    38,697,018x = 3,129,218,598,057,561
  5. Step 5: Solve for x
    x = 3,129,218,598,057,561/38,697,018
  6. Step 6: Final answer
    x = 80,864,592.67

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.