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Finding the Third Proportional to 289,028 and 460,280

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Solution

The third proportional to 289,028 and 460,280 is: 733,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,028 : 460,280 = 460,280 : x
  2. Step 2: Convert to fraction form
    289,028/460,280 = 460,280/x
  3. Step 3: Cross multiply
    289,028x = 460,280 × 460,280
  4. Step 4: Simplify right side
    289,028x = 211,857,678,400
  5. Step 5: Solve for x
    x = 211,857,678,400/289,028
  6. Step 6: Final answer
    x = 733,000.53

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.