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Finding the Third Proportional to 18,703,124 and 40,295,464

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Solution

The third proportional to 18,703,124 and 40,295,464 is: 86,815,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703,124 : 40,295,464 = 40,295,464 : x
  2. Step 2: Convert to fraction form
    18,703,124/40,295,464 = 40,295,464/x
  3. Step 3: Cross multiply
    18,703,124x = 40,295,464 × 40,295,464
  4. Step 4: Simplify right side
    18,703,124x = 1,623,724,418,975,296
  5. Step 5: Solve for x
    x = 1,623,724,418,975,296/18,703,124
  6. Step 6: Final answer
    x = 86,815,679.51

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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.