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Finding the Third Proportional to 145,800 and 210,708

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Solution

The third proportional to 145,800 and 210,708 is: 304,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,800 : 210,708 = 210,708 : x
  2. Step 2: Convert to fraction form
    145,800/210,708 = 210,708/x
  3. Step 3: Cross multiply
    145,800x = 210,708 × 210,708
  4. Step 4: Simplify right side
    145,800x = 44,397,861,264
  5. Step 5: Solve for x
    x = 44,397,861,264/145,800
  6. Step 6: Final answer
    x = 304,512.08

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.