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Finding the Third Proportional to 864,474 and 1,268,683.50

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Solution

The third proportional to 864,474 and 1,268,683.50 is: 1,861,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,474 : 1,268,683.50 = 1,268,683.50 : x
  2. Step 2: Convert to fraction form
    864,474/1,268,683.50 = 1,268,683.50/x
  3. Step 3: Cross multiply
    864,474x = 1,268,683.50 × 1,268,683.50
  4. Step 4: Simplify right side
    864,474x = 1,609,557,823,172.25
  5. Step 5: Solve for x
    x = 1,609,557,823,172.25/864,474
  6. Step 6: Final answer
    x = 1,861,892.69

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.