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Finding the Third Proportional to 87,025,434 and 130,538,152

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Solution

The third proportional to 87,025,434 and 130,538,152 is: 195,807,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,025,434 : 130,538,152 = 130,538,152 : x
  2. Step 2: Convert to fraction form
    87,025,434/130,538,152 = 130,538,152/x
  3. Step 3: Cross multiply
    87,025,434x = 130,538,152 × 130,538,152
  4. Step 4: Simplify right side
    87,025,434x = 17,040,209,127,575,104
  5. Step 5: Solve for x
    x = 17,040,209,127,575,104/87,025,434
  6. Step 6: Final answer
    x = 195,807,229.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.