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Finding the Third Proportional to 30,677,812.50 and 68,165,662.50

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Solution

The third proportional to 30,677,812.50 and 68,165,662.50 is: 151,463,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677,812.50 : 68,165,662.50 = 68,165,662.50 : x
  2. Step 2: Convert to fraction form
    30,677,812.50/68,165,662.50 = 68,165,662.50/x
  3. Step 3: Cross multiply
    30,677,812.50x = 68,165,662.50 × 68,165,662.50
  4. Step 4: Simplify right side
    30,677,812.50x = 4,646,557,544,063,906
  5. Step 5: Solve for x
    x = 4,646,557,544,063,906/30,677,812.50
  6. Step 6: Final answer
    x = 151,463,131.34

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.