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Finding the Third Proportional to 543,408.75 and 798,487.88

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Solution

The third proportional to 543,408.75 and 798,487.88 is: 1,173,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,408.75 : 798,487.88 = 798,487.88 : x
  2. Step 2: Convert to fraction form
    543,408.75/798,487.88 = 798,487.88/x
  3. Step 3: Cross multiply
    543,408.75x = 798,487.88 × 798,487.88
  4. Step 4: Simplify right side
    543,408.75x = 637,582,886,522.02
  5. Step 5: Solve for x
    x = 637,582,886,522.02/543,408.75
  6. Step 6: Final answer
    x = 1,173,302.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.