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Finding the Third Proportional to 144,677 and 317,368

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Solution

The third proportional to 144,677 and 317,368 is: 696,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,677 : 317,368 = 317,368 : x
  2. Step 2: Convert to fraction form
    144,677/317,368 = 317,368/x
  3. Step 3: Cross multiply
    144,677x = 317,368 × 317,368
  4. Step 4: Simplify right side
    144,677x = 100,722,447,424
  5. Step 5: Solve for x
    x = 100,722,447,424/144,677
  6. Step 6: Final answer
    x = 696,188.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.