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Finding the Third Proportional to 258,468 and 547,624

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Solution

The third proportional to 258,468 and 547,624 is: 1,160,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,468 : 547,624 = 547,624 : x
  2. Step 2: Convert to fraction form
    258,468/547,624 = 547,624/x
  3. Step 3: Cross multiply
    258,468x = 547,624 × 547,624
  4. Step 4: Simplify right side
    258,468x = 299,892,045,376
  5. Step 5: Solve for x
    x = 299,892,045,376/258,468
  6. Step 6: Final answer
    x = 1,160,267.60

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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.