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Finding the Third Proportional to 151,548 and 318,810

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Solution

The third proportional to 151,548 and 318,810 is: 670,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,548 : 318,810 = 318,810 : x
  2. Step 2: Convert to fraction form
    151,548/318,810 = 318,810/x
  3. Step 3: Cross multiply
    151,548x = 318,810 × 318,810
  4. Step 4: Simplify right side
    151,548x = 101,639,816,100
  5. Step 5: Solve for x
    x = 101,639,816,100/151,548
  6. Step 6: Final answer
    x = 670,677.38

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.