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Finding the Third Proportional to 18,586,698 and 40,262,443.50

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Solution

The third proportional to 18,586,698 and 40,262,443.50 is: 87,216,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586,698 : 40,262,443.50 = 40,262,443.50 : x
  2. Step 2: Convert to fraction form
    18,586,698/40,262,443.50 = 40,262,443.50/x
  3. Step 3: Cross multiply
    18,586,698x = 40,262,443.50 × 40,262,443.50
  4. Step 4: Simplify right side
    18,586,698x = 1,621,064,356,590,692.25
  5. Step 5: Solve for x
    x = 1,621,064,356,590,692.25/18,586,698
  6. Step 6: Final answer
    x = 87,216,371.44

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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.