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Finding the Third Proportional to 19,293,354 and 40,174,469

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Solution

The third proportional to 19,293,354 and 40,174,469 is: 83,655,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293,354 : 40,174,469 = 40,174,469 : x
  2. Step 2: Convert to fraction form
    19,293,354/40,174,469 = 40,174,469/x
  3. Step 3: Cross multiply
    19,293,354x = 40,174,469 × 40,174,469
  4. Step 4: Simplify right side
    19,293,354x = 1,613,987,959,431,961
  5. Step 5: Solve for x
    x = 1,613,987,959,431,961/19,293,354
  6. Step 6: Final answer
    x = 83,655,125.98

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.