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Finding the Third Proportional to 39,745,570 and 80,952,772

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Solution

The third proportional to 39,745,570 and 80,952,772 is: 164,882,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745,570 : 80,952,772 = 80,952,772 : x
  2. Step 2: Convert to fraction form
    39,745,570/80,952,772 = 80,952,772/x
  3. Step 3: Cross multiply
    39,745,570x = 80,952,772 × 80,952,772
  4. Step 4: Simplify right side
    39,745,570x = 6,553,351,294,483,984
  5. Step 5: Solve for x
    x = 6,553,351,294,483,984/39,745,570
  6. Step 6: Final answer
    x = 164,882,559.10

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.