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Finding the Third Proportional to 910,885.50 and 1,393,939.13

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Solution

The third proportional to 910,885.50 and 1,393,939.13 is: 2,133,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,885.50 : 1,393,939.13 = 1,393,939.13 : x
  2. Step 2: Convert to fraction form
    910,885.50/1,393,939.13 = 1,393,939.13/x
  3. Step 3: Cross multiply
    910,885.50x = 1,393,939.13 × 1,393,939.13
  4. Step 4: Simplify right side
    910,885.50x = 1,943,066,284,205.77
  5. Step 5: Solve for x
    x = 1,943,066,284,205.77/910,885.50
  6. Step 6: Final answer
    x = 2,133,161.94

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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.