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Finding the Third Proportional to 77,763.75 and 124,030.50

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Solution

The third proportional to 77,763.75 and 124,030.50 is: 197,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,763.75 : 124,030.50 = 124,030.50 : x
  2. Step 2: Convert to fraction form
    77,763.75/124,030.50 = 124,030.50/x
  3. Step 3: Cross multiply
    77,763.75x = 124,030.50 × 124,030.50
  4. Step 4: Simplify right side
    77,763.75x = 15,383,564,930.25
  5. Step 5: Solve for x
    x = 15,383,564,930.25/77,763.75
  6. Step 6: Final answer
    x = 197,824.37

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.