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Finding the Third Proportional to 68,054,390 and 149,335,740

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Solution

The third proportional to 68,054,390 and 149,335,740 is: 327,696,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,054,390 : 149,335,740 = 149,335,740 : x
  2. Step 2: Convert to fraction form
    68,054,390/149,335,740 = 149,335,740/x
  3. Step 3: Cross multiply
    68,054,390x = 149,335,740 × 149,335,740
  4. Step 4: Simplify right side
    68,054,390x = 22,301,163,241,347,600
  5. Step 5: Solve for x
    x = 22,301,163,241,347,600/68,054,390
  6. Step 6: Final answer
    x = 327,696,174.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.