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Finding the Third Proportional to 20,138,828 and 29,830,642

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Solution

The third proportional to 20,138,828 and 29,830,642 is: 44,186,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138,828 : 29,830,642 = 29,830,642 : x
  2. Step 2: Convert to fraction form
    20,138,828/29,830,642 = 29,830,642/x
  3. Step 3: Cross multiply
    20,138,828x = 29,830,642 × 29,830,642
  4. Step 4: Simplify right side
    20,138,828x = 889,867,202,132,164
  5. Step 5: Solve for x
    x = 889,867,202,132,164/20,138,828
  6. Step 6: Final answer
    x = 44,186,642.94

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.