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Finding the Third Proportional to 76,903.50 and 115,354.50

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Solution

The third proportional to 76,903.50 and 115,354.50 is: 173,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,903.50 : 115,354.50 = 115,354.50 : x
  2. Step 2: Convert to fraction form
    76,903.50/115,354.50 = 115,354.50/x
  3. Step 3: Cross multiply
    76,903.50x = 115,354.50 × 115,354.50
  4. Step 4: Simplify right side
    76,903.50x = 13,306,660,670.25
  5. Step 5: Solve for x
    x = 13,306,660,670.25/76,903.50
  6. Step 6: Final answer
    x = 173,030.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.