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Finding the Third Proportional to 18,456,441 and 40,386,539

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Solution

The third proportional to 18,456,441 and 40,386,539 is: 88,374,163.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,441 : 40,386,539 = 40,386,539 : x
  2. Step 2: Convert to fraction form
    18,456,441/40,386,539 = 40,386,539/x
  3. Step 3: Cross multiply
    18,456,441x = 40,386,539 × 40,386,539
  4. Step 4: Simplify right side
    18,456,441x = 1,631,072,532,398,521
  5. Step 5: Solve for x
    x = 1,631,072,532,398,521/18,456,441
  6. Step 6: Final answer
    x = 88,374,163.38

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.