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Finding the Third Proportional to 64,380,396 and 139,735,318

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Solution

The third proportional to 64,380,396 and 139,735,318 is: 303,290,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,380,396 : 139,735,318 = 139,735,318 : x
  2. Step 2: Convert to fraction form
    64,380,396/139,735,318 = 139,735,318/x
  3. Step 3: Cross multiply
    64,380,396x = 139,735,318 × 139,735,318
  4. Step 4: Simplify right side
    64,380,396x = 19,525,959,096,561,124
  5. Step 5: Solve for x
    x = 19,525,959,096,561,124/64,380,396
  6. Step 6: Final answer
    x = 303,290,447.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.