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Finding the Third Proportional to 28,149,910 and 60,619,150

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Solution

The third proportional to 28,149,910 and 60,619,150 is: 130,539,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149,910 : 60,619,150 = 60,619,150 : x
  2. Step 2: Convert to fraction form
    28,149,910/60,619,150 = 60,619,150/x
  3. Step 3: Cross multiply
    28,149,910x = 60,619,150 × 60,619,150
  4. Step 4: Simplify right side
    28,149,910x = 3,674,681,346,722,500
  5. Step 5: Solve for x
    x = 3,674,681,346,722,500/28,149,910
  6. Step 6: Final answer
    x = 130,539,719.19

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.