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Finding the Third Proportional to 1,438,341,326 and 3,156,648,668

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Solution

The third proportional to 1,438,341,326 and 3,156,648,668 is: 6,927,723,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,341,326 : 3,156,648,668 = 3,156,648,668 : x
  2. Step 2: Convert to fraction form
    1,438,341,326/3,156,648,668 = 3,156,648,668/x
  3. Step 3: Cross multiply
    1,438,341,326x = 3,156,648,668 × 3,156,648,668
  4. Step 4: Simplify right side
    1,438,341,326x = 9,964,430,813,186,174,976
  5. Step 5: Solve for x
    x = 9,964,430,813,186,174,976/1,438,341,326
  6. Step 6: Final answer
    x = 6,927,723,366.54

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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.