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Finding the Third Proportional to 14,511,420 and 20,977,332

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Solution

The third proportional to 14,511,420 and 20,977,332 is: 30,324,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511,420 : 20,977,332 = 20,977,332 : x
  2. Step 2: Convert to fraction form
    14,511,420/20,977,332 = 20,977,332/x
  3. Step 3: Cross multiply
    14,511,420x = 20,977,332 × 20,977,332
  4. Step 4: Simplify right side
    14,511,420x = 440,048,457,838,224
  5. Step 5: Solve for x
    x = 440,048,457,838,224/14,511,420
  6. Step 6: Final answer
    x = 30,324,286.52

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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.