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Finding the Third Proportional to 3,546,779.63 and 5,503,145.06

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Solution

The third proportional to 3,546,779.63 and 5,503,145.06 is: 8,538,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546,779.63 : 5,503,145.06 = 5,503,145.06 : x
  2. Step 2: Convert to fraction form
    3,546,779.63/5,503,145.06 = 5,503,145.06/x
  3. Step 3: Cross multiply
    3,546,779.63x = 5,503,145.06 × 5,503,145.06
  4. Step 4: Simplify right side
    3,546,779.63x = 30,284,605,578,918.13
  5. Step 5: Solve for x
    x = 30,284,605,578,918.13/3,546,779.63
  6. Step 6: Final answer
    x = 8,538,620.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.