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Finding the Third Proportional to 115,969,980 and 162,219,330

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Solution

The third proportional to 115,969,980 and 162,219,330 is: 226,913,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,969,980 : 162,219,330 = 162,219,330 : x
  2. Step 2: Convert to fraction form
    115,969,980/162,219,330 = 162,219,330/x
  3. Step 3: Cross multiply
    115,969,980x = 162,219,330 × 162,219,330
  4. Step 4: Simplify right side
    115,969,980x = 26,315,111,025,648,900
  5. Step 5: Solve for x
    x = 26,315,111,025,648,900/115,969,980
  6. Step 6: Final answer
    x = 226,913,128.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.