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Finding the Third Proportional to 5,072,339 and 10,321,821.50

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Solution

The third proportional to 5,072,339 and 10,321,821.50 is: 21,004,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072,339 : 10,321,821.50 = 10,321,821.50 : x
  2. Step 2: Convert to fraction form
    5,072,339/10,321,821.50 = 10,321,821.50/x
  3. Step 3: Cross multiply
    5,072,339x = 10,321,821.50 × 10,321,821.50
  4. Step 4: Simplify right side
    5,072,339x = 106,539,999,077,862.25
  5. Step 5: Solve for x
    x = 106,539,999,077,862.25/5,072,339
  6. Step 6: Final answer
    x = 21,004,116.46

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.