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Finding the Third Proportional to 210,328.50 and 456,144.75

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Solution

The third proportional to 210,328.50 and 456,144.75 is: 989,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,328.50 : 456,144.75 = 456,144.75 : x
  2. Step 2: Convert to fraction form
    210,328.50/456,144.75 = 456,144.75/x
  3. Step 3: Cross multiply
    210,328.50x = 456,144.75 × 456,144.75
  4. Step 4: Simplify right side
    210,328.50x = 208,068,032,952.56
  5. Step 5: Solve for x
    x = 208,068,032,952.56/210,328.50
  6. Step 6: Final answer
    x = 989,252.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.