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Finding the Third Proportional to 119,691,477.56 and 258,479,839.13

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Solution

The third proportional to 119,691,477.56 and 258,479,839.13 is: 558,200,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,691,477.56 : 258,479,839.13 = 258,479,839.13 : x
  2. Step 2: Convert to fraction form
    119,691,477.56/258,479,839.13 = 258,479,839.13/x
  3. Step 3: Cross multiply
    119,691,477.56x = 258,479,839.13 × 258,479,839.13
  4. Step 4: Simplify right side
    119,691,477.56x = 66,811,827,234,085,880
  5. Step 5: Solve for x
    x = 66,811,827,234,085,880/119,691,477.56
  6. Step 6: Final answer
    x = 558,200,371.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.