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Finding the Third Proportional to 987,240 and 2,052,072

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Solution

The third proportional to 987,240 and 2,052,072 is: 4,265,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,240 : 2,052,072 = 2,052,072 : x
  2. Step 2: Convert to fraction form
    987,240/2,052,072 = 2,052,072/x
  3. Step 3: Cross multiply
    987,240x = 2,052,072 × 2,052,072
  4. Step 4: Simplify right side
    987,240x = 4,210,999,493,184
  5. Step 5: Solve for x
    x = 4,210,999,493,184/987,240
  6. Step 6: Final answer
    x = 4,265,426.33

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.