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Finding the Third Proportional to 5,679,419.63 and 8,810,821.13

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Solution

The third proportional to 5,679,419.63 and 8,810,821.13 is: 13,668,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,419.63 : 8,810,821.13 = 8,810,821.13 : x
  2. Step 2: Convert to fraction form
    5,679,419.63/8,810,821.13 = 8,810,821.13/x
  3. Step 3: Cross multiply
    5,679,419.63x = 8,810,821.13 × 8,810,821.13
  4. Step 4: Simplify right side
    5,679,419.63x = 77,630,568,896,746.27
  5. Step 5: Solve for x
    x = 77,630,568,896,746.27/5,679,419.63
  6. Step 6: Final answer
    x = 13,668,750.33

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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.