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Finding the Third Proportional to 438,634 and 942,536

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Solution

The third proportional to 438,634 and 942,536 is: 2,025,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,634 : 942,536 = 942,536 : x
  2. Step 2: Convert to fraction form
    438,634/942,536 = 942,536/x
  3. Step 3: Cross multiply
    438,634x = 942,536 × 942,536
  4. Step 4: Simplify right side
    438,634x = 888,374,111,296
  5. Step 5: Solve for x
    x = 888,374,111,296/438,634
  6. Step 6: Final answer
    x = 2,025,319.77

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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.