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Finding the Third Proportional to 992,957 and 2,143,342

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Solution

The third proportional to 992,957 and 2,143,342 is: 4,626,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,957 : 2,143,342 = 2,143,342 : x
  2. Step 2: Convert to fraction form
    992,957/2,143,342 = 2,143,342/x
  3. Step 3: Cross multiply
    992,957x = 2,143,342 × 2,143,342
  4. Step 4: Simplify right side
    992,957x = 4,593,914,928,964
  5. Step 5: Solve for x
    x = 4,593,914,928,964/992,957
  6. Step 6: Final answer
    x = 4,626,499.36

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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.