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Finding the Third Proportional to 3,155,525.50 and 6,909,591

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Solution

The third proportional to 3,155,525.50 and 6,909,591 is: 15,129,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,525.50 : 6,909,591 = 6,909,591 : x
  2. Step 2: Convert to fraction form
    3,155,525.50/6,909,591 = 6,909,591/x
  3. Step 3: Cross multiply
    3,155,525.50x = 6,909,591 × 6,909,591
  4. Step 4: Simplify right side
    3,155,525.50x = 47,742,447,787,281
  5. Step 5: Solve for x
    x = 47,742,447,787,281/3,155,525.50
  6. Step 6: Final answer
    x = 15,129,793.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.