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Finding the Third Proportional to 3,666,598.50 and 7,894,890

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Solution

The third proportional to 3,666,598.50 and 7,894,890 is: 16,999,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666,598.50 : 7,894,890 = 7,894,890 : x
  2. Step 2: Convert to fraction form
    3,666,598.50/7,894,890 = 7,894,890/x
  3. Step 3: Cross multiply
    3,666,598.50x = 7,894,890 × 7,894,890
  4. Step 4: Simplify right side
    3,666,598.50x = 62,329,288,112,100
  5. Step 5: Solve for x
    x = 62,329,288,112,100/3,666,598.50
  6. Step 6: Final answer
    x = 16,999,212.79

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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.