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Finding the Third Proportional to 49,213 and 76,348

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Solution

The third proportional to 49,213 and 76,348 is: 118,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,213 : 76,348 = 76,348 : x
  2. Step 2: Convert to fraction form
    49,213/76,348 = 76,348/x
  3. Step 3: Cross multiply
    49,213x = 76,348 × 76,348
  4. Step 4: Simplify right side
    49,213x = 5,829,017,104
  5. Step 5: Solve for x
    x = 5,829,017,104/49,213
  6. Step 6: Final answer
    x = 118,444.66

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.