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Finding the Third Proportional to 68,221,812 and 139,184,088

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Solution

The third proportional to 68,221,812 and 139,184,088 is: 283,959,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,221,812 : 139,184,088 = 139,184,088 : x
  2. Step 2: Convert to fraction form
    68,221,812/139,184,088 = 139,184,088/x
  3. Step 3: Cross multiply
    68,221,812x = 139,184,088 × 139,184,088
  4. Step 4: Simplify right side
    68,221,812x = 19,372,210,352,391,744
  5. Step 5: Solve for x
    x = 19,372,210,352,391,744/68,221,812
  6. Step 6: Final answer
    x = 283,959,188.19

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.