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Finding the Third Proportional to 70,018 and 153,646

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Solution

The third proportional to 70,018 and 153,646 is: 337,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,018 : 153,646 = 153,646 : x
  2. Step 2: Convert to fraction form
    70,018/153,646 = 153,646/x
  3. Step 3: Cross multiply
    70,018x = 153,646 × 153,646
  4. Step 4: Simplify right side
    70,018x = 23,607,093,316
  5. Step 5: Solve for x
    x = 23,607,093,316/70,018
  6. Step 6: Final answer
    x = 337,157.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.