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Finding the Third Proportional to 187,400 and 406,152

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Solution

The third proportional to 187,400 and 406,152 is: 880,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,400 : 406,152 = 406,152 : x
  2. Step 2: Convert to fraction form
    187,400/406,152 = 406,152/x
  3. Step 3: Cross multiply
    187,400x = 406,152 × 406,152
  4. Step 4: Simplify right side
    187,400x = 164,959,447,104
  5. Step 5: Solve for x
    x = 164,959,447,104/187,400
  6. Step 6: Final answer
    x = 880,253.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.