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Finding the Third Proportional to 8,719,618.50 and 20,366,482.50

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Solution

The third proportional to 8,719,618.50 and 20,366,482.50 is: 47,570,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719,618.50 : 20,366,482.50 = 20,366,482.50 : x
  2. Step 2: Convert to fraction form
    8,719,618.50/20,366,482.50 = 20,366,482.50/x
  3. Step 3: Cross multiply
    8,719,618.50x = 20,366,482.50 × 20,366,482.50
  4. Step 4: Simplify right side
    8,719,618.50x = 414,793,609,422,806.25
  5. Step 5: Solve for x
    x = 414,793,609,422,806.25/8,719,618.50
  6. Step 6: Final answer
    x = 47,570,155.67

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.