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Finding the Third Proportional to 545,328 and 1,273,653

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Solution

The third proportional to 545,328 and 1,273,653 is: 2,974,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,328 : 1,273,653 = 1,273,653 : x
  2. Step 2: Convert to fraction form
    545,328/1,273,653 = 1,273,653/x
  3. Step 3: Cross multiply
    545,328x = 1,273,653 × 1,273,653
  4. Step 4: Simplify right side
    545,328x = 1,622,191,964,409
  5. Step 5: Solve for x
    x = 1,622,191,964,409/545,328
  6. Step 6: Final answer
    x = 2,974,708.73

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.