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Finding the Third Proportional to 1,346,485.78 and 2,921,860.48

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Solution

The third proportional to 1,346,485.78 and 2,921,860.48 is: 6,340,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,485.78 : 2,921,860.48 = 2,921,860.48 : x
  2. Step 2: Convert to fraction form
    1,346,485.78/2,921,860.48 = 2,921,860.48/x
  3. Step 3: Cross multiply
    1,346,485.78x = 2,921,860.48 × 2,921,860.48
  4. Step 4: Simplify right side
    1,346,485.78x = 8,537,268,644,498.04
  5. Step 5: Solve for x
    x = 8,537,268,644,498.04/1,346,485.78
  6. Step 6: Final answer
    x = 6,340,407.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.