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Finding the Third Proportional to 148,225.50 and 324,130.50

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Solution

The third proportional to 148,225.50 and 324,130.50 is: 708,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,225.50 : 324,130.50 = 324,130.50 : x
  2. Step 2: Convert to fraction form
    148,225.50/324,130.50 = 324,130.50/x
  3. Step 3: Cross multiply
    148,225.50x = 324,130.50 × 324,130.50
  4. Step 4: Simplify right side
    148,225.50x = 105,060,581,030.25
  5. Step 5: Solve for x
    x = 105,060,581,030.25/148,225.50
  6. Step 6: Final answer
    x = 708,788.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.