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Finding the Third Proportional to 360,036 and 787,880

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Solution

The third proportional to 360,036 and 787,880 is: 1,724,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,036 : 787,880 = 787,880 : x
  2. Step 2: Convert to fraction form
    360,036/787,880 = 787,880/x
  3. Step 3: Cross multiply
    360,036x = 787,880 × 787,880
  4. Step 4: Simplify right side
    360,036x = 620,754,894,400
  5. Step 5: Solve for x
    x = 620,754,894,400/360,036
  6. Step 6: Final answer
    x = 1,724,146.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.