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Finding the Third Proportional to 18,569,694 and 40,726,620

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Solution

The third proportional to 18,569,694 and 40,726,620 is: 89,320,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,694 : 40,726,620 = 40,726,620 : x
  2. Step 2: Convert to fraction form
    18,569,694/40,726,620 = 40,726,620/x
  3. Step 3: Cross multiply
    18,569,694x = 40,726,620 × 40,726,620
  4. Step 4: Simplify right side
    18,569,694x = 1,658,657,576,624,400
  5. Step 5: Solve for x
    x = 1,658,657,576,624,400/18,569,694
  6. Step 6: Final answer
    x = 89,320,673.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.