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Finding the Third Proportional to 1,399,284 and 2,160,765

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Solution

The third proportional to 1,399,284 and 2,160,765 is: 3,336,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,284 : 2,160,765 = 2,160,765 : x
  2. Step 2: Convert to fraction form
    1,399,284/2,160,765 = 2,160,765/x
  3. Step 3: Cross multiply
    1,399,284x = 2,160,765 × 2,160,765
  4. Step 4: Simplify right side
    1,399,284x = 4,668,905,385,225
  5. Step 5: Solve for x
    x = 4,668,905,385,225/1,399,284
  6. Step 6: Final answer
    x = 3,336,638.87

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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.