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Finding the Third Proportional to 62,538,435 and 90,219,339

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Solution

The third proportional to 62,538,435 and 90,219,339 is: 130,152,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,538,435 : 90,219,339 = 90,219,339 : x
  2. Step 2: Convert to fraction form
    62,538,435/90,219,339 = 90,219,339/x
  3. Step 3: Cross multiply
    62,538,435x = 90,219,339 × 90,219,339
  4. Step 4: Simplify right side
    62,538,435x = 8,139,529,129,596,921
  5. Step 5: Solve for x
    x = 8,139,529,129,596,921/62,538,435
  6. Step 6: Final answer
    x = 130,152,427.54

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.