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Finding the Third Proportional to 85,312 and 186,152

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Solution

The third proportional to 85,312 and 186,152 is: 406,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,312 : 186,152 = 186,152 : x
  2. Step 2: Convert to fraction form
    85,312/186,152 = 186,152/x
  3. Step 3: Cross multiply
    85,312x = 186,152 × 186,152
  4. Step 4: Simplify right side
    85,312x = 34,652,567,104
  5. Step 5: Solve for x
    x = 34,652,567,104/85,312
  6. Step 6: Final answer
    x = 406,186.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.