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Finding the Third Proportional to 212,030.25 and 457,274.50

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Solution

The third proportional to 212,030.25 and 457,274.50 is: 986,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,030.25 : 457,274.50 = 457,274.50 : x
  2. Step 2: Convert to fraction form
    212,030.25/457,274.50 = 457,274.50/x
  3. Step 3: Cross multiply
    212,030.25x = 457,274.50 × 457,274.50
  4. Step 4: Simplify right side
    212,030.25x = 209,099,968,350.25
  5. Step 5: Solve for x
    x = 209,099,968,350.25/212,030.25
  6. Step 6: Final answer
    x = 986,179.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.