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Finding the Third Proportional to 12,898,962 and 18,646,416

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Solution

The third proportional to 12,898,962 and 18,646,416 is: 26,954,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,962 : 18,646,416 = 18,646,416 : x
  2. Step 2: Convert to fraction form
    12,898,962/18,646,416 = 18,646,416/x
  3. Step 3: Cross multiply
    12,898,962x = 18,646,416 × 18,646,416
  4. Step 4: Simplify right side
    12,898,962x = 347,688,829,645,056
  5. Step 5: Solve for x
    x = 347,688,829,645,056/12,898,962
  6. Step 6: Final answer
    x = 26,954,791.37

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.