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Finding the Third Proportional to 1,966,623 and 4,279,335

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Solution

The third proportional to 1,966,623 and 4,279,335 is: 9,311,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,623 : 4,279,335 = 4,279,335 : x
  2. Step 2: Convert to fraction form
    1,966,623/4,279,335 = 4,279,335/x
  3. Step 3: Cross multiply
    1,966,623x = 4,279,335 × 4,279,335
  4. Step 4: Simplify right side
    1,966,623x = 18,312,708,042,225
  5. Step 5: Solve for x
    x = 18,312,708,042,225/1,966,623
  6. Step 6: Final answer
    x = 9,311,753.21

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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.