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Finding the Third Proportional to 249,439.50 and 443,473.50

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Solution

The third proportional to 249,439.50 and 443,473.50 is: 788,442.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,439.50 : 443,473.50 = 443,473.50 : x
  2. Step 2: Convert to fraction form
    249,439.50/443,473.50 = 443,473.50/x
  3. Step 3: Cross multiply
    249,439.50x = 443,473.50 × 443,473.50
  4. Step 4: Simplify right side
    249,439.50x = 196,668,745,202.25
  5. Step 5: Solve for x
    x = 196,668,745,202.25/249,439.50
  6. Step 6: Final answer
    x = 788,442.67

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.