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Finding the Third Proportional to 517,480 and 1,126,080

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Solution

The third proportional to 517,480 and 1,126,080 is: 2,450,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,480 : 1,126,080 = 1,126,080 : x
  2. Step 2: Convert to fraction form
    517,480/1,126,080 = 1,126,080/x
  3. Step 3: Cross multiply
    517,480x = 1,126,080 × 1,126,080
  4. Step 4: Simplify right side
    517,480x = 1,268,056,166,400
  5. Step 5: Solve for x
    x = 1,268,056,166,400/517,480
  6. Step 6: Final answer
    x = 2,450,444.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.