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Finding the Third Proportional to 324,543 and 708,135

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Solution

The third proportional to 324,543 and 708,135 is: 1,545,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,543 : 708,135 = 708,135 : x
  2. Step 2: Convert to fraction form
    324,543/708,135 = 708,135/x
  3. Step 3: Cross multiply
    324,543x = 708,135 × 708,135
  4. Step 4: Simplify right side
    324,543x = 501,455,178,225
  5. Step 5: Solve for x
    x = 501,455,178,225/324,543
  6. Step 6: Final answer
    x = 1,545,111.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.