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Finding the Third Proportional to 42,293,405.50 and 67,297,121

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Solution

The third proportional to 42,293,405.50 and 67,297,121 is: 107,082,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,293,405.50 : 67,297,121 = 67,297,121 : x
  2. Step 2: Convert to fraction form
    42,293,405.50/67,297,121 = 67,297,121/x
  3. Step 3: Cross multiply
    42,293,405.50x = 67,297,121 × 67,297,121
  4. Step 4: Simplify right side
    42,293,405.50x = 4,528,902,494,888,641
  5. Step 5: Solve for x
    x = 4,528,902,494,888,641/42,293,405.50
  6. Step 6: Final answer
    x = 107,082,946.89

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.