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Finding the Third Proportional to 7,893,780 and 17,005,731

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Solution

The third proportional to 7,893,780 and 17,005,731 is: 36,635,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,780 : 17,005,731 = 17,005,731 : x
  2. Step 2: Convert to fraction form
    7,893,780/17,005,731 = 17,005,731/x
  3. Step 3: Cross multiply
    7,893,780x = 17,005,731 × 17,005,731
  4. Step 4: Simplify right side
    7,893,780x = 289,194,886,844,361
  5. Step 5: Solve for x
    x = 289,194,886,844,361/7,893,780
  6. Step 6: Final answer
    x = 36,635,792.59

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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.