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Finding the Third Proportional to 680,418 and 1,464,840

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Solution

The third proportional to 680,418 and 1,464,840 is: 3,153,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,418 : 1,464,840 = 1,464,840 : x
  2. Step 2: Convert to fraction form
    680,418/1,464,840 = 1,464,840/x
  3. Step 3: Cross multiply
    680,418x = 1,464,840 × 1,464,840
  4. Step 4: Simplify right side
    680,418x = 2,145,756,225,600
  5. Step 5: Solve for x
    x = 2,145,756,225,600/680,418
  6. Step 6: Final answer
    x = 3,153,585.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.