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Finding the Third Proportional to 97,146 and 145,809

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Solution

The third proportional to 97,146 and 145,809 is: 218,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,146 : 145,809 = 145,809 : x
  2. Step 2: Convert to fraction form
    97,146/145,809 = 145,809/x
  3. Step 3: Cross multiply
    97,146x = 145,809 × 145,809
  4. Step 4: Simplify right side
    97,146x = 21,260,264,481
  5. Step 5: Solve for x
    x = 21,260,264,481/97,146
  6. Step 6: Final answer
    x = 218,848.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.