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Finding the Third Proportional to 62,943.64 and 128,795.38

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Solution

The third proportional to 62,943.64 and 128,795.38 is: 263,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,943.64 : 128,795.38 = 128,795.38 : x
  2. Step 2: Convert to fraction form
    62,943.64/128,795.38 = 128,795.38/x
  3. Step 3: Cross multiply
    62,943.64x = 128,795.38 × 128,795.38
  4. Step 4: Simplify right side
    62,943.64x = 16,588,249,627.60
  5. Step 5: Solve for x
    x = 16,588,249,627.60/62,943.64
  6. Step 6: Final answer
    x = 263,541.30

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.