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Finding the Third Proportional to 75,289.50 and 148,675.50

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Solution

The third proportional to 75,289.50 and 148,675.50 is: 293,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,289.50 : 148,675.50 = 148,675.50 : x
  2. Step 2: Convert to fraction form
    75,289.50/148,675.50 = 148,675.50/x
  3. Step 3: Cross multiply
    75,289.50x = 148,675.50 × 148,675.50
  4. Step 4: Simplify right side
    75,289.50x = 22,104,404,300.25
  5. Step 5: Solve for x
    x = 22,104,404,300.25/75,289.50
  6. Step 6: Final answer
    x = 293,592.13

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.