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Finding the Third Proportional to 30,256.50 and 62,769

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Solution

The third proportional to 30,256.50 and 62,769 is: 130,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256.50 : 62,769 = 62,769 : x
  2. Step 2: Convert to fraction form
    30,256.50/62,769 = 62,769/x
  3. Step 3: Cross multiply
    30,256.50x = 62,769 × 62,769
  4. Step 4: Simplify right side
    30,256.50x = 3,939,947,361
  5. Step 5: Solve for x
    x = 3,939,947,361/30,256.50
  6. Step 6: Final answer
    x = 130,218.21

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.