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Finding the Third Proportional to 15,755,378 and 34,199,684

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Solution

The third proportional to 15,755,378 and 34,199,684 is: 74,236,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755,378 : 34,199,684 = 34,199,684 : x
  2. Step 2: Convert to fraction form
    15,755,378/34,199,684 = 34,199,684/x
  3. Step 3: Cross multiply
    15,755,378x = 34,199,684 × 34,199,684
  4. Step 4: Simplify right side
    15,755,378x = 1,169,618,385,699,856
  5. Step 5: Solve for x
    x = 1,169,618,385,699,856/15,755,378
  6. Step 6: Final answer
    x = 74,236,136.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.