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Finding the Third Proportional to 12,459,223 and 18,860,969

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Solution

The third proportional to 12,459,223 and 18,860,969 is: 28,552,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,223 : 18,860,969 = 18,860,969 : x
  2. Step 2: Convert to fraction form
    12,459,223/18,860,969 = 18,860,969/x
  3. Step 3: Cross multiply
    12,459,223x = 18,860,969 × 18,860,969
  4. Step 4: Simplify right side
    12,459,223x = 355,736,151,618,961
  5. Step 5: Solve for x
    x = 355,736,151,618,961/12,459,223
  6. Step 6: Final answer
    x = 28,552,033.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.