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Finding the Third Proportional to 9,519,582 and 20,928,729

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Solution

The third proportional to 9,519,582 and 20,928,729 is: 46,011,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519,582 : 20,928,729 = 20,928,729 : x
  2. Step 2: Convert to fraction form
    9,519,582/20,928,729 = 20,928,729/x
  3. Step 3: Cross multiply
    9,519,582x = 20,928,729 × 20,928,729
  4. Step 4: Simplify right side
    9,519,582x = 438,011,697,555,441
  5. Step 5: Solve for x
    x = 438,011,697,555,441/9,519,582
  6. Step 6: Final answer
    x = 46,011,652.36

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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.