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Finding the Third Proportional to 1,678,423.50 and 3,622,203

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Solution

The third proportional to 1,678,423.50 and 3,622,203 is: 7,817,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,423.50 : 3,622,203 = 3,622,203 : x
  2. Step 2: Convert to fraction form
    1,678,423.50/3,622,203 = 3,622,203/x
  3. Step 3: Cross multiply
    1,678,423.50x = 3,622,203 × 3,622,203
  4. Step 4: Simplify right side
    1,678,423.50x = 13,120,354,573,209
  5. Step 5: Solve for x
    x = 13,120,354,573,209/1,678,423.50
  6. Step 6: Final answer
    x = 7,817,070.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.