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Finding the Third Proportional to 13,563,996 and 20,484,240

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Solution

The third proportional to 13,563,996 and 20,484,240 is: 30,935,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,996 : 20,484,240 = 20,484,240 : x
  2. Step 2: Convert to fraction form
    13,563,996/20,484,240 = 20,484,240/x
  3. Step 3: Cross multiply
    13,563,996x = 20,484,240 × 20,484,240
  4. Step 4: Simplify right side
    13,563,996x = 419,604,088,377,600
  5. Step 5: Solve for x
    x = 419,604,088,377,600/13,563,996
  6. Step 6: Final answer
    x = 30,935,138.02

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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.