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Finding the Third Proportional to 214,280 and 460,808

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Solution

The third proportional to 214,280 and 460,808 is: 990,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,280 : 460,808 = 460,808 : x
  2. Step 2: Convert to fraction form
    214,280/460,808 = 460,808/x
  3. Step 3: Cross multiply
    214,280x = 460,808 × 460,808
  4. Step 4: Simplify right side
    214,280x = 212,344,012,864
  5. Step 5: Solve for x
    x = 212,344,012,864/214,280
  6. Step 6: Final answer
    x = 990,965.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.