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Finding the Third Proportional to 20,895,414 and 28,375,455

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Solution

The third proportional to 20,895,414 and 28,375,455 is: 38,533,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895,414 : 28,375,455 = 28,375,455 : x
  2. Step 2: Convert to fraction form
    20,895,414/28,375,455 = 28,375,455/x
  3. Step 3: Cross multiply
    20,895,414x = 28,375,455 × 28,375,455
  4. Step 4: Simplify right side
    20,895,414x = 805,166,446,457,025
  5. Step 5: Solve for x
    x = 805,166,446,457,025/20,895,414
  6. Step 6: Final answer
    x = 38,533,165.53

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.