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Finding the Third Proportional to 553,113 and 1,203,564.38

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Solution

The third proportional to 553,113 and 1,203,564.38 is: 2,618,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,113 : 1,203,564.38 = 1,203,564.38 : x
  2. Step 2: Convert to fraction form
    553,113/1,203,564.38 = 1,203,564.38/x
  3. Step 3: Cross multiply
    553,113x = 1,203,564.38 × 1,203,564.38
  4. Step 4: Simplify right side
    553,113x = 1,448,567,204,769.14
  5. Step 5: Solve for x
    x = 1,448,567,204,769.14/553,113
  6. Step 6: Final answer
    x = 2,618,935.38

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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.