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Finding the Third Proportional to 17,915,656 and 38,177,964

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Solution

The third proportional to 17,915,656 and 38,177,964 is: 81,356,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915,656 : 38,177,964 = 38,177,964 : x
  2. Step 2: Convert to fraction form
    17,915,656/38,177,964 = 38,177,964/x
  3. Step 3: Cross multiply
    17,915,656x = 38,177,964 × 38,177,964
  4. Step 4: Simplify right side
    17,915,656x = 1,457,556,935,185,296
  5. Step 5: Solve for x
    x = 1,457,556,935,185,296/17,915,656
  6. Step 6: Final answer
    x = 81,356,604.26

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.