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Finding the Third Proportional to 222,497,889.75 and 327,316,639.50

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Solution

The third proportional to 222,497,889.75 and 327,316,639.50 is: 481,515,499.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,497,889.75 : 327,316,639.50 = 327,316,639.50 : x
  2. Step 2: Convert to fraction form
    222,497,889.75/327,316,639.50 = 327,316,639.50/x
  3. Step 3: Cross multiply
    222,497,889.75x = 327,316,639.50 × 327,316,639.50
  4. Step 4: Simplify right side
    222,497,889.75x = 107,136,182,493,572,960
  5. Step 5: Solve for x
    x = 107,136,182,493,572,960/222,497,889.75
  6. Step 6: Final answer
    x = 481,515,499.38

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.