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Finding the Third Proportional to 18,622,606.50 and 40,091,328

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Solution

The third proportional to 18,622,606.50 and 40,091,328 is: 86,309,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,606.50 : 40,091,328 = 40,091,328 : x
  2. Step 2: Convert to fraction form
    18,622,606.50/40,091,328 = 40,091,328/x
  3. Step 3: Cross multiply
    18,622,606.50x = 40,091,328 × 40,091,328
  4. Step 4: Simplify right side
    18,622,606.50x = 1,607,314,580,803,584
  5. Step 5: Solve for x
    x = 1,607,314,580,803,584/18,622,606.50
  6. Step 6: Final answer
    x = 86,309,861.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.