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Finding the Third Proportional to 1,966,609.13 and 4,279,311

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Solution

The third proportional to 1,966,609.13 and 4,279,311 is: 9,311,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,609.13 : 4,279,311 = 4,279,311 : x
  2. Step 2: Convert to fraction form
    1,966,609.13/4,279,311 = 4,279,311/x
  3. Step 3: Cross multiply
    1,966,609.13x = 4,279,311 × 4,279,311
  4. Step 4: Simplify right side
    1,966,609.13x = 18,312,502,634,721
  5. Step 5: Solve for x
    x = 18,312,502,634,721/1,966,609.13
  6. Step 6: Final answer
    x = 9,311,714.46

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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.