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Finding the Third Proportional to 10,008,145 and 21,851,453

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Solution

The third proportional to 10,008,145 and 21,851,453 is: 47,709,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008,145 : 21,851,453 = 21,851,453 : x
  2. Step 2: Convert to fraction form
    10,008,145/21,851,453 = 21,851,453/x
  3. Step 3: Cross multiply
    10,008,145x = 21,851,453 × 21,851,453
  4. Step 4: Simplify right side
    10,008,145x = 477,485,998,211,209
  5. Step 5: Solve for x
    x = 477,485,998,211,209/10,008,145
  6. Step 6: Final answer
    x = 47,709,740.24

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.