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Finding the Third Proportional to 187,897.50 and 411,993

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Solution

The third proportional to 187,897.50 and 411,993 is: 903,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,897.50 : 411,993 = 411,993 : x
  2. Step 2: Convert to fraction form
    187,897.50/411,993 = 411,993/x
  3. Step 3: Cross multiply
    187,897.50x = 411,993 × 411,993
  4. Step 4: Simplify right side
    187,897.50x = 169,738,232,049
  5. Step 5: Solve for x
    x = 169,738,232,049/187,897.50
  6. Step 6: Final answer
    x = 903,355.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.