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Finding the Third Proportional to 36,406,077 and 78,214,995

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Solution

The third proportional to 36,406,077 and 78,214,995 is: 168,037,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406,077 : 78,214,995 = 78,214,995 : x
  2. Step 2: Convert to fraction form
    36,406,077/78,214,995 = 78,214,995/x
  3. Step 3: Cross multiply
    36,406,077x = 78,214,995 × 78,214,995
  4. Step 4: Simplify right side
    36,406,077x = 6,117,585,442,850,025
  5. Step 5: Solve for x
    x = 6,117,585,442,850,025/36,406,077
  6. Step 6: Final answer
    x = 168,037,480.19

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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.