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Finding the Third Proportional to 77,798 and 119,521

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Solution

The third proportional to 77,798 and 119,521 is: 183,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,798 : 119,521 = 119,521 : x
  2. Step 2: Convert to fraction form
    77,798/119,521 = 119,521/x
  3. Step 3: Cross multiply
    77,798x = 119,521 × 119,521
  4. Step 4: Simplify right side
    77,798x = 14,285,269,441
  5. Step 5: Solve for x
    x = 14,285,269,441/77,798
  6. Step 6: Final answer
    x = 183,620.01

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.