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Finding the Third Proportional to 7,199,462.86 and 15,866,405.58

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Solution

The third proportional to 7,199,462.86 and 15,866,405.58 is: 34,966,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,462.86 : 15,866,405.58 = 15,866,405.58 : x
  2. Step 2: Convert to fraction form
    7,199,462.86/15,866,405.58 = 15,866,405.58/x
  3. Step 3: Cross multiply
    7,199,462.86x = 15,866,405.58 × 15,866,405.58
  4. Step 4: Simplify right side
    7,199,462.86x = 251,742,825,969,556.12
  5. Step 5: Solve for x
    x = 251,742,825,969,556.12/7,199,462.86
  6. Step 6: Final answer
    x = 34,966,890.01

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.