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Finding the Third Proportional to 161,658 and 351,297

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Solution

The third proportional to 161,658 and 351,297 is: 763,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,658 : 351,297 = 351,297 : x
  2. Step 2: Convert to fraction form
    161,658/351,297 = 351,297/x
  3. Step 3: Cross multiply
    161,658x = 351,297 × 351,297
  4. Step 4: Simplify right side
    161,658x = 123,409,582,209
  5. Step 5: Solve for x
    x = 123,409,582,209/161,658
  6. Step 6: Final answer
    x = 763,399.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.