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Finding the Third Proportional to 195,619.50 and 428,599.13

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Solution

The third proportional to 195,619.50 and 428,599.13 is: 939,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,619.50 : 428,599.13 = 428,599.13 : x
  2. Step 2: Convert to fraction form
    195,619.50/428,599.13 = 428,599.13/x
  3. Step 3: Cross multiply
    195,619.50x = 428,599.13 × 428,599.13
  4. Step 4: Simplify right side
    195,619.50x = 183,697,209,950.77
  5. Step 5: Solve for x
    x = 183,697,209,950.77/195,619.50
  6. Step 6: Final answer
    x = 939,053.67

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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.