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Finding the Third Proportional to 18,984,591 and 39,315,024

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Solution

The third proportional to 18,984,591 and 39,315,024 is: 81,417,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984,591 : 39,315,024 = 39,315,024 : x
  2. Step 2: Convert to fraction form
    18,984,591/39,315,024 = 39,315,024/x
  3. Step 3: Cross multiply
    18,984,591x = 39,315,024 × 39,315,024
  4. Step 4: Simplify right side
    18,984,591x = 1,545,671,112,120,576
  5. Step 5: Solve for x
    x = 1,545,671,112,120,576/18,984,591
  6. Step 6: Final answer
    x = 81,417,140.47

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.