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Finding the Third Proportional to 72,939,867 and 115,498,432.50

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Solution

The third proportional to 72,939,867 and 115,498,432.50 is: 182,888,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,939,867 : 115,498,432.50 = 115,498,432.50 : x
  2. Step 2: Convert to fraction form
    72,939,867/115,498,432.50 = 115,498,432.50/x
  3. Step 3: Cross multiply
    72,939,867x = 115,498,432.50 × 115,498,432.50
  4. Step 4: Simplify right side
    72,939,867x = 13,339,887,909,957,056
  5. Step 5: Solve for x
    x = 13,339,887,909,957,056/72,939,867
  6. Step 6: Final answer
    x = 182,888,843.35

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.