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Finding the Third Proportional to 555,603 and 841,149

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Solution

The third proportional to 555,603 and 841,149 is: 1,273,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,603 : 841,149 = 841,149 : x
  2. Step 2: Convert to fraction form
    555,603/841,149 = 841,149/x
  3. Step 3: Cross multiply
    555,603x = 841,149 × 841,149
  4. Step 4: Simplify right side
    555,603x = 707,531,640,201
  5. Step 5: Solve for x
    x = 707,531,640,201/555,603
  6. Step 6: Final answer
    x = 1,273,448.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.