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Finding the Third Proportional to 6,557,851.13 and 9,928,266.19

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Solution

The third proportional to 6,557,851.13 and 9,928,266.19 is: 15,030,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557,851.13 : 9,928,266.19 = 9,928,266.19 : x
  2. Step 2: Convert to fraction form
    6,557,851.13/9,928,266.19 = 9,928,266.19/x
  3. Step 3: Cross multiply
    6,557,851.13x = 9,928,266.19 × 9,928,266.19
  4. Step 4: Simplify right side
    6,557,851.13x = 98,570,469,489,855.78
  5. Step 5: Solve for x
    x = 98,570,469,489,855.78/6,557,851.13
  6. Step 6: Final answer
    x = 15,030,909.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.