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Finding the Third Proportional to 517,036 and 776,100

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Solution

The third proportional to 517,036 and 776,100 is: 1,164,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,036 : 776,100 = 776,100 : x
  2. Step 2: Convert to fraction form
    517,036/776,100 = 776,100/x
  3. Step 3: Cross multiply
    517,036x = 776,100 × 776,100
  4. Step 4: Simplify right side
    517,036x = 602,331,210,000
  5. Step 5: Solve for x
    x = 602,331,210,000/517,036
  6. Step 6: Final answer
    x = 1,164,969.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.