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Finding the Third Proportional to 18,772,184 and 45,208,346

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Solution

The third proportional to 18,772,184 and 45,208,346 is: 108,873,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772,184 : 45,208,346 = 45,208,346 : x
  2. Step 2: Convert to fraction form
    18,772,184/45,208,346 = 45,208,346/x
  3. Step 3: Cross multiply
    18,772,184x = 45,208,346 × 45,208,346
  4. Step 4: Simplify right side
    18,772,184x = 2,043,794,548,055,716
  5. Step 5: Solve for x
    x = 2,043,794,548,055,716/18,772,184
  6. Step 6: Final answer
    x = 108,873,562.50

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.