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Finding the Third Proportional to 248,368.50 and 393,450.75

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Solution

The third proportional to 248,368.50 and 393,450.75 is: 623,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,368.50 : 393,450.75 = 393,450.75 : x
  2. Step 2: Convert to fraction form
    248,368.50/393,450.75 = 393,450.75/x
  3. Step 3: Cross multiply
    248,368.50x = 393,450.75 × 393,450.75
  4. Step 4: Simplify right side
    248,368.50x = 154,803,492,675.56
  5. Step 5: Solve for x
    x = 154,803,492,675.56/248,368.50
  6. Step 6: Final answer
    x = 623,281.51

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.