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Finding the Third Proportional to 557,973.75 and 1,215,591

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Solution

The third proportional to 557,973.75 and 1,215,591 is: 2,648,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,973.75 : 1,215,591 = 1,215,591 : x
  2. Step 2: Convert to fraction form
    557,973.75/1,215,591 = 1,215,591/x
  3. Step 3: Cross multiply
    557,973.75x = 1,215,591 × 1,215,591
  4. Step 4: Simplify right side
    557,973.75x = 1,477,661,479,281
  5. Step 5: Solve for x
    x = 1,477,661,479,281/557,973.75
  6. Step 6: Final answer
    x = 2,648,263.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.