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Finding the Third Proportional to 985,132 and 2,127,436

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Solution

The third proportional to 985,132 and 2,127,436 is: 4,594,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,132 : 2,127,436 = 2,127,436 : x
  2. Step 2: Convert to fraction form
    985,132/2,127,436 = 2,127,436/x
  3. Step 3: Cross multiply
    985,132x = 2,127,436 × 2,127,436
  4. Step 4: Simplify right side
    985,132x = 4,525,983,934,096
  5. Step 5: Solve for x
    x = 4,525,983,934,096/985,132
  6. Step 6: Final answer
    x = 4,594,291.87

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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.