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Finding the Third Proportional to 20,180,974 and 31,308,045

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Solution

The third proportional to 20,180,974 and 31,308,045 is: 48,570,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,974 : 31,308,045 = 31,308,045 : x
  2. Step 2: Convert to fraction form
    20,180,974/31,308,045 = 31,308,045/x
  3. Step 3: Cross multiply
    20,180,974x = 31,308,045 × 31,308,045
  4. Step 4: Simplify right side
    20,180,974x = 980,193,681,722,025
  5. Step 5: Solve for x
    x = 980,193,681,722,025/20,180,974
  6. Step 6: Final answer
    x = 48,570,187.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.