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Finding the Third Proportional to 3,148,278 and 4,861,554

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Solution

The third proportional to 3,148,278 and 4,861,554 is: 7,507,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,278 : 4,861,554 = 4,861,554 : x
  2. Step 2: Convert to fraction form
    3,148,278/4,861,554 = 4,861,554/x
  3. Step 3: Cross multiply
    3,148,278x = 4,861,554 × 4,861,554
  4. Step 4: Simplify right side
    3,148,278x = 23,634,707,294,916
  5. Step 5: Solve for x
    x = 23,634,707,294,916/3,148,278
  6. Step 6: Final answer
    x = 7,507,185.61

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.