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Finding the Third Proportional to 18,612,963 and 27,939,127.50

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Solution

The third proportional to 18,612,963 and 27,939,127.50 is: 41,938,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,963 : 27,939,127.50 = 27,939,127.50 : x
  2. Step 2: Convert to fraction form
    18,612,963/27,939,127.50 = 27,939,127.50/x
  3. Step 3: Cross multiply
    18,612,963x = 27,939,127.50 × 27,939,127.50
  4. Step 4: Simplify right side
    18,612,963x = 780,594,845,461,256.25
  5. Step 5: Solve for x
    x = 780,594,845,461,256.25/18,612,963
  6. Step 6: Final answer
    x = 41,938,236.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.