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Finding the Third Proportional to 107,572.50 and 143,677.50

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Solution

The third proportional to 107,572.50 and 143,677.50 is: 191,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,572.50 : 143,677.50 = 143,677.50 : x
  2. Step 2: Convert to fraction form
    107,572.50/143,677.50 = 143,677.50/x
  3. Step 3: Cross multiply
    107,572.50x = 143,677.50 × 143,677.50
  4. Step 4: Simplify right side
    107,572.50x = 20,643,224,006.25
  5. Step 5: Solve for x
    x = 20,643,224,006.25/107,572.50
  6. Step 6: Final answer
    x = 191,900.57

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.