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Finding the Third Proportional to 68,515,351.50 and 100,880,542.50

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Solution

The third proportional to 68,515,351.50 and 100,880,542.50 is: 148,534,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,515,351.50 : 100,880,542.50 = 100,880,542.50 : x
  2. Step 2: Convert to fraction form
    68,515,351.50/100,880,542.50 = 100,880,542.50/x
  3. Step 3: Cross multiply
    68,515,351.50x = 100,880,542.50 × 100,880,542.50
  4. Step 4: Simplify right side
    68,515,351.50x = 10,176,883,855,094,306
  5. Step 5: Solve for x
    x = 10,176,883,855,094,306/68,515,351.50
  6. Step 6: Final answer
    x = 148,534,359.56

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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.