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Finding the Third Proportional to 190,471.50 and 301,347

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Solution

The third proportional to 190,471.50 and 301,347 is: 476,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,471.50 : 301,347 = 301,347 : x
  2. Step 2: Convert to fraction form
    190,471.50/301,347 = 301,347/x
  3. Step 3: Cross multiply
    190,471.50x = 301,347 × 301,347
  4. Step 4: Simplify right side
    190,471.50x = 90,810,014,409
  5. Step 5: Solve for x
    x = 90,810,014,409/190,471.50
  6. Step 6: Final answer
    x = 476,764.32

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.