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Finding the Third Proportional to 834,072.19 and 1,821,052.13

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Solution

The third proportional to 834,072.19 and 1,821,052.13 is: 3,975,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,072.19 : 1,821,052.13 = 1,821,052.13 : x
  2. Step 2: Convert to fraction form
    834,072.19/1,821,052.13 = 1,821,052.13/x
  3. Step 3: Cross multiply
    834,072.19x = 1,821,052.13 × 1,821,052.13
  4. Step 4: Simplify right side
    834,072.19x = 3,316,230,841,967.02
  5. Step 5: Solve for x
    x = 3,316,230,841,967.02/834,072.19
  6. Step 6: Final answer
    x = 3,975,951.83

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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.