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Finding the Third Proportional to 39,902,844 and 85,772,928

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Solution

The third proportional to 39,902,844 and 85,772,928 is: 184,372,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,902,844 : 85,772,928 = 85,772,928 : x
  2. Step 2: Convert to fraction form
    39,902,844/85,772,928 = 85,772,928/x
  3. Step 3: Cross multiply
    39,902,844x = 85,772,928 × 85,772,928
  4. Step 4: Simplify right side
    39,902,844x = 7,356,995,177,693,184
  5. Step 5: Solve for x
    x = 7,356,995,177,693,184/39,902,844
  6. Step 6: Final answer
    x = 184,372,702.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.