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Finding the Third Proportional to 905,496 and 1,225,378

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Solution

The third proportional to 905,496 and 1,225,378 is: 1,658,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,496 : 1,225,378 = 1,225,378 : x
  2. Step 2: Convert to fraction form
    905,496/1,225,378 = 1,225,378/x
  3. Step 3: Cross multiply
    905,496x = 1,225,378 × 1,225,378
  4. Step 4: Simplify right side
    905,496x = 1,501,551,242,884
  5. Step 5: Solve for x
    x = 1,501,551,242,884/905,496
  6. Step 6: Final answer
    x = 1,658,263.81

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.