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Finding the Third Proportional to 57,115,243.50 and 87,012,039

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Solution

The third proportional to 57,115,243.50 and 87,012,039 is: 132,558,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,115,243.50 : 87,012,039 = 87,012,039 : x
  2. Step 2: Convert to fraction form
    57,115,243.50/87,012,039 = 87,012,039/x
  3. Step 3: Cross multiply
    57,115,243.50x = 87,012,039 × 87,012,039
  4. Step 4: Simplify right side
    57,115,243.50x = 7,571,094,930,937,521
  5. Step 5: Solve for x
    x = 7,571,094,930,937,521/57,115,243.50
  6. Step 6: Final answer
    x = 132,558,218.56

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.