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Finding the Third Proportional to 316,068 and 480,246

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Solution

The third proportional to 316,068 and 480,246 is: 729,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,068 : 480,246 = 480,246 : x
  2. Step 2: Convert to fraction form
    316,068/480,246 = 480,246/x
  3. Step 3: Cross multiply
    316,068x = 480,246 × 480,246
  4. Step 4: Simplify right side
    316,068x = 230,636,220,516
  5. Step 5: Solve for x
    x = 230,636,220,516/316,068
  6. Step 6: Final answer
    x = 729,704.43

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.