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Finding the Third Proportional to 672,768 and 1,121,238

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Solution

The third proportional to 672,768 and 1,121,238 is: 1,868,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,768 : 1,121,238 = 1,121,238 : x
  2. Step 2: Convert to fraction form
    672,768/1,121,238 = 1,121,238/x
  3. Step 3: Cross multiply
    672,768x = 1,121,238 × 1,121,238
  4. Step 4: Simplify right side
    672,768x = 1,257,174,652,644
  5. Step 5: Solve for x
    x = 1,257,174,652,644/672,768
  6. Step 6: Final answer
    x = 1,868,660.00

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.