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Finding the Third Proportional to 210,317 and 462,688

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Solution

The third proportional to 210,317 and 462,688 is: 1,017,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,317 : 462,688 = 462,688 : x
  2. Step 2: Convert to fraction form
    210,317/462,688 = 462,688/x
  3. Step 3: Cross multiply
    210,317x = 462,688 × 462,688
  4. Step 4: Simplify right side
    210,317x = 214,080,185,344
  5. Step 5: Solve for x
    x = 214,080,185,344/210,317
  6. Step 6: Final answer
    x = 1,017,892.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.