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Finding the Third Proportional to 4,651,772 and 9,855,896.50

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Solution

The third proportional to 4,651,772 and 9,855,896.50 is: 20,882,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651,772 : 9,855,896.50 = 9,855,896.50 : x
  2. Step 2: Convert to fraction form
    4,651,772/9,855,896.50 = 9,855,896.50/x
  3. Step 3: Cross multiply
    4,651,772x = 9,855,896.50 × 9,855,896.50
  4. Step 4: Simplify right side
    4,651,772x = 97,138,695,818,712.25
  5. Step 5: Solve for x
    x = 97,138,695,818,712.25/4,651,772
  6. Step 6: Final answer
    x = 20,882,084.47

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.