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Finding the Third Proportional to 53,385 and 113,355

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Solution

The third proportional to 53,385 and 113,355 is: 240,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385 : 113,355 = 113,355 : x
  2. Step 2: Convert to fraction form
    53,385/113,355 = 113,355/x
  3. Step 3: Cross multiply
    53,385x = 113,355 × 113,355
  4. Step 4: Simplify right side
    53,385x = 12,849,356,025
  5. Step 5: Solve for x
    x = 12,849,356,025/53,385
  6. Step 6: Final answer
    x = 240,692.25

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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.