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Finding the Third Proportional to 136,560 and 210,984

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Solution

The third proportional to 136,560 and 210,984 is: 325,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,560 : 210,984 = 210,984 : x
  2. Step 2: Convert to fraction form
    136,560/210,984 = 210,984/x
  3. Step 3: Cross multiply
    136,560x = 210,984 × 210,984
  4. Step 4: Simplify right side
    136,560x = 44,514,248,256
  5. Step 5: Solve for x
    x = 44,514,248,256/136,560
  6. Step 6: Final answer
    x = 325,968.43

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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.