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Finding the Third Proportional to 153,540 and 236,871

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Solution

The third proportional to 153,540 and 236,871 is: 365,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,540 : 236,871 = 236,871 : x
  2. Step 2: Convert to fraction form
    153,540/236,871 = 236,871/x
  3. Step 3: Cross multiply
    153,540x = 236,871 × 236,871
  4. Step 4: Simplify right side
    153,540x = 56,107,870,641
  5. Step 5: Solve for x
    x = 56,107,870,641/153,540
  6. Step 6: Final answer
    x = 365,428.36

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.