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Finding the Third Proportional to 18,569,698 and 40,726,628

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Solution

The third proportional to 18,569,698 and 40,726,628 is: 89,320,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,698 : 40,726,628 = 40,726,628 : x
  2. Step 2: Convert to fraction form
    18,569,698/40,726,628 = 40,726,628/x
  3. Step 3: Cross multiply
    18,569,698x = 40,726,628 × 40,726,628
  4. Step 4: Simplify right side
    18,569,698x = 1,658,658,228,250,384
  5. Step 5: Solve for x
    x = 1,658,658,228,250,384/18,569,698
  6. Step 6: Final answer
    x = 89,320,689.45

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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.