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Finding the Third Proportional to 273,312 and 382,185

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Solution

The third proportional to 273,312 and 382,185 is: 534,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,312 : 382,185 = 382,185 : x
  2. Step 2: Convert to fraction form
    273,312/382,185 = 382,185/x
  3. Step 3: Cross multiply
    273,312x = 382,185 × 382,185
  4. Step 4: Simplify right side
    273,312x = 146,065,374,225
  5. Step 5: Solve for x
    x = 146,065,374,225/273,312
  6. Step 6: Final answer
    x = 534,427.23

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.