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Finding the Third Proportional to 243,315 and 533,994

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Solution

The third proportional to 243,315 and 533,994 is: 1,171,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,315 : 533,994 = 533,994 : x
  2. Step 2: Convert to fraction form
    243,315/533,994 = 533,994/x
  3. Step 3: Cross multiply
    243,315x = 533,994 × 533,994
  4. Step 4: Simplify right side
    243,315x = 285,149,592,036
  5. Step 5: Solve for x
    x = 285,149,592,036/243,315
  6. Step 6: Final answer
    x = 1,171,935.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.