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Finding the Third Proportional to 235,064 and 516,784

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Solution

The third proportional to 235,064 and 516,784 is: 1,136,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,064 : 516,784 = 516,784 : x
  2. Step 2: Convert to fraction form
    235,064/516,784 = 516,784/x
  3. Step 3: Cross multiply
    235,064x = 516,784 × 516,784
  4. Step 4: Simplify right side
    235,064x = 267,065,702,656
  5. Step 5: Solve for x
    x = 267,065,702,656/235,064
  6. Step 6: Final answer
    x = 1,136,140.38

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.