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Finding the Third Proportional to 437,638 and 942,237

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Solution

The third proportional to 437,638 and 942,237 is: 2,028,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,638 : 942,237 = 942,237 : x
  2. Step 2: Convert to fraction form
    437,638/942,237 = 942,237/x
  3. Step 3: Cross multiply
    437,638x = 942,237 × 942,237
  4. Step 4: Simplify right side
    437,638x = 887,810,564,169
  5. Step 5: Solve for x
    x = 887,810,564,169/437,638
  6. Step 6: Final answer
    x = 2,028,641.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.