Home / 272,576-636,684

Finding the Third Proportional to 272,576 and 636,684

Calculator

Solution

The third proportional to 272,576 and 636,684 is: 1,487,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,576 : 636,684 = 636,684 : x
  2. Step 2: Convert to fraction form
    272,576/636,684 = 636,684/x
  3. Step 3: Cross multiply
    272,576x = 636,684 × 636,684
  4. Step 4: Simplify right side
    272,576x = 405,366,515,856
  5. Step 5: Solve for x
    x = 405,366,515,856/272,576
  6. Step 6: Final answer
    x = 1,487,168.77

Related Problems

Find third proportional to 136,288 and 318,342
Half scale
Find third proportional to 545,152 and 1,273,368
Double scale
Find third proportional to 272,578 and 636,689
Similar ratio
Find third proportional to 408,864 and 955,026
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.