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Finding the Third Proportional to 720,080 and 1,555,684

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Solution

The third proportional to 720,080 and 1,555,684 is: 3,360,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,080 : 1,555,684 = 1,555,684 : x
  2. Step 2: Convert to fraction form
    720,080/1,555,684 = 1,555,684/x
  3. Step 3: Cross multiply
    720,080x = 1,555,684 × 1,555,684
  4. Step 4: Simplify right side
    720,080x = 2,420,152,707,856
  5. Step 5: Solve for x
    x = 2,420,152,707,856/720,080
  6. Step 6: Final answer
    x = 3,360,949.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.