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Finding the Third Proportional to 789,160 and 1,236,628

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Solution

The third proportional to 789,160 and 1,236,628 is: 1,937,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,160 : 1,236,628 = 1,236,628 : x
  2. Step 2: Convert to fraction form
    789,160/1,236,628 = 1,236,628/x
  3. Step 3: Cross multiply
    789,160x = 1,236,628 × 1,236,628
  4. Step 4: Simplify right side
    789,160x = 1,529,248,810,384
  5. Step 5: Solve for x
    x = 1,529,248,810,384/789,160
  6. Step 6: Final answer
    x = 1,937,818.45

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.