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Finding the Third Proportional to 71,989,324.50 and 115,926,523.50

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Solution

The third proportional to 71,989,324.50 and 115,926,523.50 is: 186,679,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,989,324.50 : 115,926,523.50 = 115,926,523.50 : x
  2. Step 2: Convert to fraction form
    71,989,324.50/115,926,523.50 = 115,926,523.50/x
  3. Step 3: Cross multiply
    71,989,324.50x = 115,926,523.50 × 115,926,523.50
  4. Step 4: Simplify right side
    71,989,324.50x = 13,438,958,850,796,052
  5. Step 5: Solve for x
    x = 13,438,958,850,796,052/71,989,324.50
  6. Step 6: Final answer
    x = 186,679,885.44

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.