Home / 12,915,764,651.25-20,216,699,266.50

Finding the Third Proportional to 12,915,764,651.25 and 20,216,699,266.50

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Solution

The third proportional to 12,915,764,651.25 and 20,216,699,266.50 is: 31,644,655,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,764,651.25 : 20,216,699,266.50 = 20,216,699,266.50 : x
  2. Step 2: Convert to fraction form
    12,915,764,651.25/20,216,699,266.50 = 20,216,699,266.50/x
  3. Step 3: Cross multiply
    12,915,764,651.25x = 20,216,699,266.50 × 20,216,699,266.50
  4. Step 4: Simplify right side
    12,915,764,651.25x = 408,714,929,232,101,638,144
  5. Step 5: Solve for x
    x = 408,714,929,232,101,638,144/12,915,764,651.25
  6. Step 6: Final answer
    x = 31,644,655,989.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.