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Finding the Third Proportional to 13,426,392 and 20,649,240

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Solution

The third proportional to 13,426,392 and 20,649,240 is: 31,757,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,392 : 20,649,240 = 20,649,240 : x
  2. Step 2: Convert to fraction form
    13,426,392/20,649,240 = 20,649,240/x
  3. Step 3: Cross multiply
    13,426,392x = 20,649,240 × 20,649,240
  4. Step 4: Simplify right side
    13,426,392x = 426,391,112,577,600
  5. Step 5: Solve for x
    x = 426,391,112,577,600/13,426,392
  6. Step 6: Final answer
    x = 31,757,683.86

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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.