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Finding the Third Proportional to 97,324 and 209,840

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Solution

The third proportional to 97,324 and 209,840 is: 452,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,324 : 209,840 = 209,840 : x
  2. Step 2: Convert to fraction form
    97,324/209,840 = 209,840/x
  3. Step 3: Cross multiply
    97,324x = 209,840 × 209,840
  4. Step 4: Simplify right side
    97,324x = 44,032,825,600
  5. Step 5: Solve for x
    x = 44,032,825,600/97,324
  6. Step 6: Final answer
    x = 452,435.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.