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Finding the Third Proportional to 911,422.13 and 1,994,382

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Solution

The third proportional to 911,422.13 and 1,994,382 is: 4,364,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,422.13 : 1,994,382 = 1,994,382 : x
  2. Step 2: Convert to fraction form
    911,422.13/1,994,382 = 1,994,382/x
  3. Step 3: Cross multiply
    911,422.13x = 1,994,382 × 1,994,382
  4. Step 4: Simplify right side
    911,422.13x = 3,977,559,561,924
  5. Step 5: Solve for x
    x = 3,977,559,561,924/911,422.13
  6. Step 6: Final answer
    x = 4,364,124.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.