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Finding the Third Proportional to 279,610,080 and 419,415,168

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Solution

The third proportional to 279,610,080 and 419,415,168 is: 629,122,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,610,080 : 419,415,168 = 419,415,168 : x
  2. Step 2: Convert to fraction form
    279,610,080/419,415,168 = 419,415,168/x
  3. Step 3: Cross multiply
    279,610,080x = 419,415,168 × 419,415,168
  4. Step 4: Simplify right side
    279,610,080x = 175,909,083,148,468,224
  5. Step 5: Solve for x
    x = 175,909,083,148,468,224/279,610,080
  6. Step 6: Final answer
    x = 629,122,824.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.