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Finding the Third Proportional to 52,218 and 79,553

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Solution

The third proportional to 52,218 and 79,553 is: 121,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218 : 79,553 = 79,553 : x
  2. Step 2: Convert to fraction form
    52,218/79,553 = 79,553/x
  3. Step 3: Cross multiply
    52,218x = 79,553 × 79,553
  4. Step 4: Simplify right side
    52,218x = 6,328,679,809
  5. Step 5: Solve for x
    x = 6,328,679,809/52,218
  6. Step 6: Final answer
    x = 121,197.28

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.