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Finding the Third Proportional to 18,599,420.25 and 39,411,436.50

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Solution

The third proportional to 18,599,420.25 and 39,411,436.50 is: 83,511,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599,420.25 : 39,411,436.50 = 39,411,436.50 : x
  2. Step 2: Convert to fraction form
    18,599,420.25/39,411,436.50 = 39,411,436.50/x
  3. Step 3: Cross multiply
    18,599,420.25x = 39,411,436.50 × 39,411,436.50
  4. Step 4: Simplify right side
    18,599,420.25x = 1,553,261,326,993,532.25
  5. Step 5: Solve for x
    x = 1,553,261,326,993,532.25/18,599,420.25
  6. Step 6: Final answer
    x = 83,511,276.49

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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.