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Finding the Third Proportional to 907,392.38 and 1,392,811.45

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Solution

The third proportional to 907,392.38 and 1,392,811.45 is: 2,137,910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,392.38 : 1,392,811.45 = 1,392,811.45 : x
  2. Step 2: Convert to fraction form
    907,392.38/1,392,811.45 = 1,392,811.45/x
  3. Step 3: Cross multiply
    907,392.38x = 1,392,811.45 × 1,392,811.45
  4. Step 4: Simplify right side
    907,392.38x = 1,939,923,743,956.17
  5. Step 5: Solve for x
    x = 1,939,923,743,956.17/907,392.38
  6. Step 6: Final answer
    x = 2,137,910.56

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.