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Finding the Third Proportional to 15,621,815.25 and 33,841,822.50

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Solution

The third proportional to 15,621,815.25 and 33,841,822.50 is: 73,312,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621,815.25 : 33,841,822.50 = 33,841,822.50 : x
  2. Step 2: Convert to fraction form
    15,621,815.25/33,841,822.50 = 33,841,822.50/x
  3. Step 3: Cross multiply
    15,621,815.25x = 33,841,822.50 × 33,841,822.50
  4. Step 4: Simplify right side
    15,621,815.25x = 1,145,268,950,121,506.25
  5. Step 5: Solve for x
    x = 1,145,268,950,121,506.25/15,621,815.25
  6. Step 6: Final answer
    x = 73,312,155.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.