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Finding the Third Proportional to 137,534.63 and 210,387.38

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Solution

The third proportional to 137,534.63 and 210,387.38 is: 321,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,534.63 : 210,387.38 = 210,387.38 : x
  2. Step 2: Convert to fraction form
    137,534.63/210,387.38 = 210,387.38/x
  3. Step 3: Cross multiply
    137,534.63x = 210,387.38 × 210,387.38
  4. Step 4: Simplify right side
    137,534.63x = 44,262,847,559.39
  5. Step 5: Solve for x
    x = 44,262,847,559.39/137,534.63
  6. Step 6: Final answer
    x = 321,830.58

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.