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Finding the Third Proportional to 360,668.50 and 562,838.50

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Solution

The third proportional to 360,668.50 and 562,838.50 is: 878,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,668.50 : 562,838.50 = 562,838.50 : x
  2. Step 2: Convert to fraction form
    360,668.50/562,838.50 = 562,838.50/x
  3. Step 3: Cross multiply
    360,668.50x = 562,838.50 × 562,838.50
  4. Step 4: Simplify right side
    360,668.50x = 316,787,177,082.25
  5. Step 5: Solve for x
    x = 316,787,177,082.25/360,668.50
  6. Step 6: Final answer
    x = 878,333.36

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.