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Finding the Third Proportional to 18,706,226 and 40,197,230

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Solution

The third proportional to 18,706,226 and 40,197,230 is: 86,378,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706,226 : 40,197,230 = 40,197,230 : x
  2. Step 2: Convert to fraction form
    18,706,226/40,197,230 = 40,197,230/x
  3. Step 3: Cross multiply
    18,706,226x = 40,197,230 × 40,197,230
  4. Step 4: Simplify right side
    18,706,226x = 1,615,817,299,672,900
  5. Step 5: Solve for x
    x = 1,615,817,299,672,900/18,706,226
  6. Step 6: Final answer
    x = 86,378,583.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.