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Finding the Third Proportional to 18,586,202 and 40,260,853

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Solution

The third proportional to 18,586,202 and 40,260,853 is: 87,211,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586,202 : 40,260,853 = 40,260,853 : x
  2. Step 2: Convert to fraction form
    18,586,202/40,260,853 = 40,260,853/x
  3. Step 3: Cross multiply
    18,586,202x = 40,260,853 × 40,260,853
  4. Step 4: Simplify right side
    18,586,202x = 1,620,936,284,287,609
  5. Step 5: Solve for x
    x = 1,620,936,284,287,609/18,586,202
  6. Step 6: Final answer
    x = 87,211,808.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.