Home / 18,942,870.75-30,507,507.75

Finding the Third Proportional to 18,942,870.75 and 30,507,507.75

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Solution

The third proportional to 18,942,870.75 and 30,507,507.75 is: 49,132,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942,870.75 : 30,507,507.75 = 30,507,507.75 : x
  2. Step 2: Convert to fraction form
    18,942,870.75/30,507,507.75 = 30,507,507.75/x
  3. Step 3: Cross multiply
    18,942,870.75x = 30,507,507.75 × 30,507,507.75
  4. Step 4: Simplify right side
    18,942,870.75x = 930,708,029,116,310
  5. Step 5: Solve for x
    x = 930,708,029,116,310/18,942,870.75
  6. Step 6: Final answer
    x = 49,132,364.43

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.