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Finding the Third Proportional to 1,661,982 and 3,572,242.50

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Solution

The third proportional to 1,661,982 and 3,572,242.50 is: 7,678,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,982 : 3,572,242.50 = 3,572,242.50 : x
  2. Step 2: Convert to fraction form
    1,661,982/3,572,242.50 = 3,572,242.50/x
  3. Step 3: Cross multiply
    1,661,982x = 3,572,242.50 × 3,572,242.50
  4. Step 4: Simplify right side
    1,661,982x = 12,760,916,478,806.25
  5. Step 5: Solve for x
    x = 12,760,916,478,806.25/1,661,982
  6. Step 6: Final answer
    x = 7,678,131.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.