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Finding the Third Proportional to 992,385 and 2,173,891.50

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Solution

The third proportional to 992,385 and 2,173,891.50 is: 4,762,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,385 : 2,173,891.50 = 2,173,891.50 : x
  2. Step 2: Convert to fraction form
    992,385/2,173,891.50 = 2,173,891.50/x
  3. Step 3: Cross multiply
    992,385x = 2,173,891.50 × 2,173,891.50
  4. Step 4: Simplify right side
    992,385x = 4,725,804,253,772.25
  5. Step 5: Solve for x
    x = 4,725,804,253,772.25/992,385
  6. Step 6: Final answer
    x = 4,762,067.40

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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.