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Finding the Third Proportional to 985,122 and 2,127,708

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Solution

The third proportional to 985,122 and 2,127,708 is: 4,595,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,122 : 2,127,708 = 2,127,708 : x
  2. Step 2: Convert to fraction form
    985,122/2,127,708 = 2,127,708/x
  3. Step 3: Cross multiply
    985,122x = 2,127,708 × 2,127,708
  4. Step 4: Simplify right side
    985,122x = 4,527,141,333,264
  5. Step 5: Solve for x
    x = 4,527,141,333,264/985,122
  6. Step 6: Final answer
    x = 4,595,513.38

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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.