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Finding the Third Proportional to 637,844 and 987,006

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Solution

The third proportional to 637,844 and 987,006 is: 1,527,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,844 : 987,006 = 987,006 : x
  2. Step 2: Convert to fraction form
    637,844/987,006 = 987,006/x
  3. Step 3: Cross multiply
    637,844x = 987,006 × 987,006
  4. Step 4: Simplify right side
    637,844x = 974,180,844,036
  5. Step 5: Solve for x
    x = 974,180,844,036/637,844
  6. Step 6: Final answer
    x = 1,527,302.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.