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Finding the Third Proportional to 53,203,329 and 80,185,539

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Solution

The third proportional to 53,203,329 and 80,185,539 is: 120,851,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203,329 : 80,185,539 = 80,185,539 : x
  2. Step 2: Convert to fraction form
    53,203,329/80,185,539 = 80,185,539/x
  3. Step 3: Cross multiply
    53,203,329x = 80,185,539 × 80,185,539
  4. Step 4: Simplify right side
    53,203,329x = 6,429,720,664,720,521
  5. Step 5: Solve for x
    x = 6,429,720,664,720,521/53,203,329
  6. Step 6: Final answer
    x = 120,851,848.66

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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.