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Finding the Third Proportional to 579,798 and 847,449

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Solution

The third proportional to 579,798 and 847,449 is: 1,238,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,798 : 847,449 = 847,449 : x
  2. Step 2: Convert to fraction form
    579,798/847,449 = 847,449/x
  3. Step 3: Cross multiply
    579,798x = 847,449 × 847,449
  4. Step 4: Simplify right side
    579,798x = 718,169,807,601
  5. Step 5: Solve for x
    x = 718,169,807,601/579,798
  6. Step 6: Final answer
    x = 1,238,655.20

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.