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Finding the Third Proportional to 1,239,628 and 1,914,117

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Solution

The third proportional to 1,239,628 and 1,914,117 is: 2,955,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,628 : 1,914,117 = 1,914,117 : x
  2. Step 2: Convert to fraction form
    1,239,628/1,914,117 = 1,914,117/x
  3. Step 3: Cross multiply
    1,239,628x = 1,914,117 × 1,914,117
  4. Step 4: Simplify right side
    1,239,628x = 3,663,843,889,689
  5. Step 5: Solve for x
    x = 3,663,843,889,689/1,239,628
  6. Step 6: Final answer
    x = 2,955,599.49

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.