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Finding the Third Proportional to 18,547,436.25 and 39,647,342.25

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Solution

The third proportional to 18,547,436.25 and 39,647,342.25 is: 84,750,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547,436.25 : 39,647,342.25 = 39,647,342.25 : x
  2. Step 2: Convert to fraction form
    18,547,436.25/39,647,342.25 = 39,647,342.25/x
  3. Step 3: Cross multiply
    18,547,436.25x = 39,647,342.25 × 39,647,342.25
  4. Step 4: Simplify right side
    18,547,436.25x = 1,571,911,747,488,635
  5. Step 5: Solve for x
    x = 1,571,911,747,488,635/18,547,436.25
  6. Step 6: Final answer
    x = 84,750,890.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.