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Finding the Third Proportional to 18,967,608.50 and 29,424,384.75

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Solution

The third proportional to 18,967,608.50 and 29,424,384.75 is: 45,645,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967,608.50 : 29,424,384.75 = 29,424,384.75 : x
  2. Step 2: Convert to fraction form
    18,967,608.50/29,424,384.75 = 29,424,384.75/x
  3. Step 3: Cross multiply
    18,967,608.50x = 29,424,384.75 × 29,424,384.75
  4. Step 4: Simplify right side
    18,967,608.50x = 865,794,417,916,032.50
  5. Step 5: Solve for x
    x = 865,794,417,916,032.50/18,967,608.50
  6. Step 6: Final answer
    x = 45,645,945.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.