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Finding the Third Proportional to 20,272,128 and 43,712,976

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Solution

The third proportional to 20,272,128 and 43,712,976 is: 94,258,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272,128 : 43,712,976 = 43,712,976 : x
  2. Step 2: Convert to fraction form
    20,272,128/43,712,976 = 43,712,976/x
  3. Step 3: Cross multiply
    20,272,128x = 43,712,976 × 43,712,976
  4. Step 4: Simplify right side
    20,272,128x = 1,910,824,270,776,576
  5. Step 5: Solve for x
    x = 1,910,824,270,776,576/20,272,128
  6. Step 6: Final answer
    x = 94,258,692.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.