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Finding the Third Proportional to 887,891.63 and 1,917,657.28

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Solution

The third proportional to 887,891.63 and 1,917,657.28 is: 4,141,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,891.63 : 1,917,657.28 = 1,917,657.28 : x
  2. Step 2: Convert to fraction form
    887,891.63/1,917,657.28 = 1,917,657.28/x
  3. Step 3: Cross multiply
    887,891.63x = 1,917,657.28 × 1,917,657.28
  4. Step 4: Simplify right side
    887,891.63x = 3,677,409,448,331.14
  5. Step 5: Solve for x
    x = 3,677,409,448,331.14/887,891.63
  6. Step 6: Final answer
    x = 4,141,732.33

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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.