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Finding the Third Proportional to 678,558.52 and 1,412,953.88

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Solution

The third proportional to 678,558.52 and 1,412,953.88 is: 2,942,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,558.52 : 1,412,953.88 = 1,412,953.88 : x
  2. Step 2: Convert to fraction form
    678,558.52/1,412,953.88 = 1,412,953.88/x
  3. Step 3: Cross multiply
    678,558.52x = 1,412,953.88 × 1,412,953.88
  4. Step 4: Simplify right side
    678,558.52x = 1,996,438,652,877.52
  5. Step 5: Solve for x
    x = 1,996,438,652,877.52/678,558.52
  6. Step 6: Final answer
    x = 2,942,176.11

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.