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Finding the Third Proportional to 788,309.50 and 1,217,399

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Solution

The third proportional to 788,309.50 and 1,217,399 is: 1,880,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,309.50 : 1,217,399 = 1,217,399 : x
  2. Step 2: Convert to fraction form
    788,309.50/1,217,399 = 1,217,399/x
  3. Step 3: Cross multiply
    788,309.50x = 1,217,399 × 1,217,399
  4. Step 4: Simplify right side
    788,309.50x = 1,482,060,325,201
  5. Step 5: Solve for x
    x = 1,482,060,325,201/788,309.50
  6. Step 6: Final answer
    x = 1,880,048.79

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.