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Finding the Third Proportional to 135,390.04 and 210,848.54

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Solution

The third proportional to 135,390.04 and 210,848.54 is: 328,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,390.04 : 210,848.54 = 210,848.54 : x
  2. Step 2: Convert to fraction form
    135,390.04/210,848.54 = 210,848.54/x
  3. Step 3: Cross multiply
    135,390.04x = 210,848.54 × 210,848.54
  4. Step 4: Simplify right side
    135,390.04x = 44,457,108,728.37
  5. Step 5: Solve for x
    x = 44,457,108,728.37/135,390.04
  6. Step 6: Final answer
    x = 328,363.22

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.