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Finding the Third Proportional to 4,609,868,949.75 and 9,918,909,405.75

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Solution

The third proportional to 4,609,868,949.75 and 9,918,909,405.75 is: 21,342,204,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609,868,949.75 : 9,918,909,405.75 = 9,918,909,405.75 : x
  2. Step 2: Convert to fraction form
    4,609,868,949.75/9,918,909,405.75 = 9,918,909,405.75/x
  3. Step 3: Cross multiply
    4,609,868,949.75x = 9,918,909,405.75 × 9,918,909,405.75
  4. Step 4: Simplify right side
    4,609,868,949.75x = 98,384,763,799,475,814,400
  5. Step 5: Solve for x
    x = 98,384,763,799,475,814,400/4,609,868,949.75
  6. Step 6: Final answer
    x = 21,342,204,056.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.