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Finding the Third Proportional to 18,396,606 and 38,700,033

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Solution

The third proportional to 18,396,606 and 38,700,033 is: 81,411,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396,606 : 38,700,033 = 38,700,033 : x
  2. Step 2: Convert to fraction form
    18,396,606/38,700,033 = 38,700,033/x
  3. Step 3: Cross multiply
    18,396,606x = 38,700,033 × 38,700,033
  4. Step 4: Simplify right side
    18,396,606x = 1,497,692,554,201,089
  5. Step 5: Solve for x
    x = 1,497,692,554,201,089/18,396,606
  6. Step 6: Final answer
    x = 81,411,351.32

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.