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Finding the Third Proportional to 360,072 and 784,944

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Solution

The third proportional to 360,072 and 784,944 is: 1,711,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,072 : 784,944 = 784,944 : x
  2. Step 2: Convert to fraction form
    360,072/784,944 = 784,944/x
  3. Step 3: Cross multiply
    360,072x = 784,944 × 784,944
  4. Step 4: Simplify right side
    360,072x = 616,137,083,136
  5. Step 5: Solve for x
    x = 616,137,083,136/360,072
  6. Step 6: Final answer
    x = 1,711,149.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.