Home / 38,192,173.31-78,149,255.63

Finding the Third Proportional to 38,192,173.31 and 78,149,255.63

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Solution

The third proportional to 38,192,173.31 and 78,149,255.63 is: 159,909,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,192,173.31 : 78,149,255.63 = 78,149,255.63 : x
  2. Step 2: Convert to fraction form
    38,192,173.31/78,149,255.63 = 78,149,255.63/x
  3. Step 3: Cross multiply
    38,192,173.31x = 78,149,255.63 × 78,149,255.63
  4. Step 4: Simplify right side
    38,192,173.31x = 6,107,306,154,741,594
  5. Step 5: Solve for x
    x = 6,107,306,154,741,594/38,192,173.31
  6. Step 6: Final answer
    x = 159,909,887.94

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.