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Finding the Third Proportional to 136,146 and 299,170

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Solution

The third proportional to 136,146 and 299,170 is: 657,402.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,146 : 299,170 = 299,170 : x
  2. Step 2: Convert to fraction form
    136,146/299,170 = 299,170/x
  3. Step 3: Cross multiply
    136,146x = 299,170 × 299,170
  4. Step 4: Simplify right side
    136,146x = 89,502,688,900
  5. Step 5: Solve for x
    x = 89,502,688,900/136,146
  6. Step 6: Final answer
    x = 657,402.27

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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.