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Finding the Third Proportional to 6,121,987.59 and 8,849,789.16

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Solution

The third proportional to 6,121,987.59 and 8,849,789.16 is: 12,793,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,987.59 : 8,849,789.16 = 8,849,789.16 : x
  2. Step 2: Convert to fraction form
    6,121,987.59/8,849,789.16 = 8,849,789.16/x
  3. Step 3: Cross multiply
    6,121,987.59x = 8,849,789.16 × 8,849,789.16
  4. Step 4: Simplify right side
    6,121,987.59x = 78,318,768,110,080.09
  5. Step 5: Solve for x
    x = 78,318,768,110,080.09/6,121,987.59
  6. Step 6: Final answer
    x = 12,793,029.54

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.