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Finding the Third Proportional to 294,049 and 637,887

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Solution

The third proportional to 294,049 and 637,887 is: 1,383,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,049 : 637,887 = 637,887 : x
  2. Step 2: Convert to fraction form
    294,049/637,887 = 637,887/x
  3. Step 3: Cross multiply
    294,049x = 637,887 × 637,887
  4. Step 4: Simplify right side
    294,049x = 406,899,824,769
  5. Step 5: Solve for x
    x = 406,899,824,769/294,049
  6. Step 6: Final answer
    x = 1,383,782.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.