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Finding the Third Proportional to 45,768,678 and 69,078,648.75

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Solution

The third proportional to 45,768,678 and 69,078,648.75 is: 104,260,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,768,678 : 69,078,648.75 = 69,078,648.75 : x
  2. Step 2: Convert to fraction form
    45,768,678/69,078,648.75 = 69,078,648.75/x
  3. Step 3: Cross multiply
    45,768,678x = 69,078,648.75 × 69,078,648.75
  4. Step 4: Simplify right side
    45,768,678x = 4,771,859,713,125,877
  5. Step 5: Solve for x
    x = 4,771,859,713,125,877/45,768,678
  6. Step 6: Final answer
    x = 104,260,378.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.