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Finding the Third Proportional to 538,078.81 and 1,170,739

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Solution

The third proportional to 538,078.81 and 1,170,739 is: 2,547,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,078.81 : 1,170,739 = 1,170,739 : x
  2. Step 2: Convert to fraction form
    538,078.81/1,170,739 = 1,170,739/x
  3. Step 3: Cross multiply
    538,078.81x = 1,170,739 × 1,170,739
  4. Step 4: Simplify right side
    538,078.81x = 1,370,629,806,121
  5. Step 5: Solve for x
    x = 1,370,629,806,121/538,078.81
  6. Step 6: Final answer
    x = 2,547,265.89

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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.