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Finding the Third Proportional to 557,179.50 and 1,221,164

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Solution

The third proportional to 557,179.50 and 1,221,164 is: 2,676,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,179.50 : 1,221,164 = 1,221,164 : x
  2. Step 2: Convert to fraction form
    557,179.50/1,221,164 = 1,221,164/x
  3. Step 3: Cross multiply
    557,179.50x = 1,221,164 × 1,221,164
  4. Step 4: Simplify right side
    557,179.50x = 1,491,241,514,896
  5. Step 5: Solve for x
    x = 1,491,241,514,896/557,179.50
  6. Step 6: Final answer
    x = 2,676,411.31

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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.