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Finding the Third Proportional to 14,389,978 and 22,140,755

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Solution

The third proportional to 14,389,978 and 22,140,755 is: 34,066,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,978 : 22,140,755 = 22,140,755 : x
  2. Step 2: Convert to fraction form
    14,389,978/22,140,755 = 22,140,755/x
  3. Step 3: Cross multiply
    14,389,978x = 22,140,755 × 22,140,755
  4. Step 4: Simplify right side
    14,389,978x = 490,213,031,970,025
  5. Step 5: Solve for x
    x = 490,213,031,970,025/14,389,978
  6. Step 6: Final answer
    x = 34,066,280.85

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.