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Finding the Third Proportional to 90,950,313 and 139,798,634

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Solution

The third proportional to 90,950,313 and 139,798,634 is: 214,882,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,950,313 : 139,798,634 = 139,798,634 : x
  2. Step 2: Convert to fraction form
    90,950,313/139,798,634 = 139,798,634/x
  3. Step 3: Cross multiply
    90,950,313x = 139,798,634 × 139,798,634
  4. Step 4: Simplify right side
    90,950,313x = 19,543,658,068,265,956
  5. Step 5: Solve for x
    x = 19,543,658,068,265,956/90,950,313
  6. Step 6: Final answer
    x = 214,882,801.65

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.