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Finding the Third Proportional to 190,147.50 and 292,294.50

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Solution

The third proportional to 190,147.50 and 292,294.50 is: 449,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,147.50 : 292,294.50 = 292,294.50 : x
  2. Step 2: Convert to fraction form
    190,147.50/292,294.50 = 292,294.50/x
  3. Step 3: Cross multiply
    190,147.50x = 292,294.50 × 292,294.50
  4. Step 4: Simplify right side
    190,147.50x = 85,436,074,730.25
  5. Step 5: Solve for x
    x = 85,436,074,730.25/190,147.50
  6. Step 6: Final answer
    x = 449,314.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.