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Finding the Third Proportional to 258,798 and 548,700

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Solution

The third proportional to 258,798 and 548,700 is: 1,163,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,798 : 548,700 = 548,700 : x
  2. Step 2: Convert to fraction form
    258,798/548,700 = 548,700/x
  3. Step 3: Cross multiply
    258,798x = 548,700 × 548,700
  4. Step 4: Simplify right side
    258,798x = 301,071,690,000
  5. Step 5: Solve for x
    x = 301,071,690,000/258,798
  6. Step 6: Final answer
    x = 1,163,346.28

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.