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Finding the Third Proportional to 515,232 and 1,128,880

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Solution

The third proportional to 515,232 and 1,128,880 is: 2,473,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,232 : 1,128,880 = 1,128,880 : x
  2. Step 2: Convert to fraction form
    515,232/1,128,880 = 1,128,880/x
  3. Step 3: Cross multiply
    515,232x = 1,128,880 × 1,128,880
  4. Step 4: Simplify right side
    515,232x = 1,274,370,054,400
  5. Step 5: Solve for x
    x = 1,274,370,054,400/515,232
  6. Step 6: Final answer
    x = 2,473,390.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.