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Finding the Third Proportional to 1,278,001.55 and 2,735,530.73

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Solution

The third proportional to 1,278,001.55 and 2,735,530.73 is: 5,855,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,001.55 : 2,735,530.73 = 2,735,530.73 : x
  2. Step 2: Convert to fraction form
    1,278,001.55/2,735,530.73 = 2,735,530.73/x
  3. Step 3: Cross multiply
    1,278,001.55x = 2,735,530.73 × 2,735,530.73
  4. Step 4: Simplify right side
    1,278,001.55x = 7,483,128,398,710.23
  5. Step 5: Solve for x
    x = 7,483,128,398,710.23/1,278,001.55
  6. Step 6: Final answer
    x = 5,855,335.95

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.