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Finding the Third Proportional to 4,012,485.50 and 8,679,433

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Solution

The third proportional to 4,012,485.50 and 8,679,433 is: 18,774,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012,485.50 : 8,679,433 = 8,679,433 : x
  2. Step 2: Convert to fraction form
    4,012,485.50/8,679,433 = 8,679,433/x
  3. Step 3: Cross multiply
    4,012,485.50x = 8,679,433 × 8,679,433
  4. Step 4: Simplify right side
    4,012,485.50x = 75,332,557,201,489
  5. Step 5: Solve for x
    x = 75,332,557,201,489/4,012,485.50
  6. Step 6: Final answer
    x = 18,774,536.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.