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Finding the Third Proportional to 4,738,412 and 7,278,720.50

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Solution

The third proportional to 4,738,412 and 7,278,720.50 is: 11,180,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738,412 : 7,278,720.50 = 7,278,720.50 : x
  2. Step 2: Convert to fraction form
    4,738,412/7,278,720.50 = 7,278,720.50/x
  3. Step 3: Cross multiply
    4,738,412x = 7,278,720.50 × 7,278,720.50
  4. Step 4: Simplify right side
    4,738,412x = 52,979,772,117,120.25
  5. Step 5: Solve for x
    x = 52,979,772,117,120.25/4,738,412
  6. Step 6: Final answer
    x = 11,180,912.96

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.