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Finding the Third Proportional to 71,989,323.75 and 115,926,522.75

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Solution

The third proportional to 71,989,323.75 and 115,926,522.75 is: 186,679,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,989,323.75 : 115,926,522.75 = 115,926,522.75 : x
  2. Step 2: Convert to fraction form
    71,989,323.75/115,926,522.75 = 115,926,522.75/x
  3. Step 3: Cross multiply
    71,989,323.75x = 115,926,522.75 × 115,926,522.75
  4. Step 4: Simplify right side
    71,989,323.75x = 13,438,958,676,906,268
  5. Step 5: Solve for x
    x = 13,438,958,676,906,268/71,989,323.75
  6. Step 6: Final answer
    x = 186,679,884.97

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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.