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Finding the Third Proportional to 19,398,130 and 32,328,912

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Solution

The third proportional to 19,398,130 and 32,328,912 is: 53,879,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398,130 : 32,328,912 = 32,328,912 : x
  2. Step 2: Convert to fraction form
    19,398,130/32,328,912 = 32,328,912/x
  3. Step 3: Cross multiply
    19,398,130x = 32,328,912 × 32,328,912
  4. Step 4: Simplify right side
    19,398,130x = 1,045,158,551,103,744
  5. Step 5: Solve for x
    x = 1,045,158,551,103,744/19,398,130
  6. Step 6: Final answer
    x = 53,879,345.64

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.