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Finding the Third Proportional to 19,188,207 and 31,329,305

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Solution

The third proportional to 19,188,207 and 31,329,305 is: 51,152,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188,207 : 31,329,305 = 31,329,305 : x
  2. Step 2: Convert to fraction form
    19,188,207/31,329,305 = 31,329,305/x
  3. Step 3: Cross multiply
    19,188,207x = 31,329,305 × 31,329,305
  4. Step 4: Simplify right side
    19,188,207x = 981,525,351,783,025
  5. Step 5: Solve for x
    x = 981,525,351,783,025/19,188,207
  6. Step 6: Final answer
    x = 51,152,530.92

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.