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Finding the Third Proportional to 77,464 and 119,220

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Solution

The third proportional to 77,464 and 119,220 is: 183,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,464 : 119,220 = 119,220 : x
  2. Step 2: Convert to fraction form
    77,464/119,220 = 119,220/x
  3. Step 3: Cross multiply
    77,464x = 119,220 × 119,220
  4. Step 4: Simplify right side
    77,464x = 14,213,408,400
  5. Step 5: Solve for x
    x = 14,213,408,400/77,464
  6. Step 6: Final answer
    x = 183,484.05

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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.