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Finding the Third Proportional to 68,019,439.92 and 138,893,871.66

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Solution

The third proportional to 68,019,439.92 and 138,893,871.66 is: 283,617,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,019,439.92 : 138,893,871.66 = 138,893,871.66 : x
  2. Step 2: Convert to fraction form
    68,019,439.92/138,893,871.66 = 138,893,871.66/x
  3. Step 3: Cross multiply
    68,019,439.92x = 138,893,871.66 × 138,893,871.66
  4. Step 4: Simplify right side
    68,019,439.92x = 19,291,507,583,662,848
  5. Step 5: Solve for x
    x = 19,291,507,583,662,848/68,019,439.92
  6. Step 6: Final answer
    x = 283,617,560.01

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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.