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Finding the Third Proportional to 16,899,948 and 36,493,920

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Solution

The third proportional to 16,899,948 and 36,493,920 is: 78,805,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899,948 : 36,493,920 = 36,493,920 : x
  2. Step 2: Convert to fraction form
    16,899,948/36,493,920 = 36,493,920/x
  3. Step 3: Cross multiply
    16,899,948x = 36,493,920 × 36,493,920
  4. Step 4: Simplify right side
    16,899,948x = 1,331,806,196,966,400
  5. Step 5: Solve for x
    x = 1,331,806,196,966,400/16,899,948
  6. Step 6: Final answer
    x = 78,805,342.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.