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Finding the Third Proportional to 90,950,311.13 and 139,798,631.25

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Solution

The third proportional to 90,950,311.13 and 139,798,631.25 is: 214,882,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,950,311.13 : 139,798,631.25 = 139,798,631.25 : x
  2. Step 2: Convert to fraction form
    90,950,311.13/139,798,631.25 = 139,798,631.25/x
  3. Step 3: Cross multiply
    90,950,311.13x = 139,798,631.25 × 139,798,631.25
  4. Step 4: Simplify right side
    90,950,311.13x = 19,543,657,299,373,476
  5. Step 5: Solve for x
    x = 19,543,657,299,373,476/90,950,311.13
  6. Step 6: Final answer
    x = 214,882,797.62

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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.