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Finding the Third Proportional to 16,855,689 and 36,269,554

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Solution

The third proportional to 16,855,689 and 36,269,554 is: 78,043,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855,689 : 36,269,554 = 36,269,554 : x
  2. Step 2: Convert to fraction form
    16,855,689/36,269,554 = 36,269,554/x
  3. Step 3: Cross multiply
    16,855,689x = 36,269,554 × 36,269,554
  4. Step 4: Simplify right side
    16,855,689x = 1,315,480,547,358,916
  5. Step 5: Solve for x
    x = 1,315,480,547,358,916/16,855,689
  6. Step 6: Final answer
    x = 78,043,712.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.