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Finding the Third Proportional to 18,506,504 and 40,101,790

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Solution

The third proportional to 18,506,504 and 40,101,790 is: 86,896,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506,504 : 40,101,790 = 40,101,790 : x
  2. Step 2: Convert to fraction form
    18,506,504/40,101,790 = 40,101,790/x
  3. Step 3: Cross multiply
    18,506,504x = 40,101,790 × 40,101,790
  4. Step 4: Simplify right side
    18,506,504x = 1,608,153,561,204,100
  5. Step 5: Solve for x
    x = 1,608,153,561,204,100/18,506,504
  6. Step 6: Final answer
    x = 86,896,669.47

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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.