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Finding the Third Proportional to 119,691,496.50 and 258,479,866.50

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Solution

The third proportional to 119,691,496.50 and 258,479,866.50 is: 558,200,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,691,496.50 : 258,479,866.50 = 258,479,866.50 : x
  2. Step 2: Convert to fraction form
    119,691,496.50/258,479,866.50 = 258,479,866.50/x
  3. Step 3: Cross multiply
    119,691,496.50x = 258,479,866.50 × 258,479,866.50
  4. Step 4: Simplify right side
    119,691,496.50x = 66,811,841,385,857,824
  5. Step 5: Solve for x
    x = 66,811,841,385,857,824/119,691,496.50
  6. Step 6: Final answer
    x = 558,200,401.36

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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.