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Finding the Third Proportional to 20,997,453 and 43,671,015

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Solution

The third proportional to 20,997,453 and 43,671,015 is: 90,828,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,453 : 43,671,015 = 43,671,015 : x
  2. Step 2: Convert to fraction form
    20,997,453/43,671,015 = 43,671,015/x
  3. Step 3: Cross multiply
    20,997,453x = 43,671,015 × 43,671,015
  4. Step 4: Simplify right side
    20,997,453x = 1,907,157,551,130,225
  5. Step 5: Solve for x
    x = 1,907,157,551,130,225/20,997,453
  6. Step 6: Final answer
    x = 90,828,042.39

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.