Home / 61,578-132,570

Finding the Third Proportional to 61,578 and 132,570

Calculator

Solution

The third proportional to 61,578 and 132,570 is: 285,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,578 : 132,570 = 132,570 : x
  2. Step 2: Convert to fraction form
    61,578/132,570 = 132,570/x
  3. Step 3: Cross multiply
    61,578x = 132,570 × 132,570
  4. Step 4: Simplify right side
    61,578x = 17,574,804,900
  5. Step 5: Solve for x
    x = 17,574,804,900/61,578
  6. Step 6: Final answer
    x = 285,407.21

Related Problems

Find third proportional to 30,789 and 66,285
Half scale
Find third proportional to 123,156 and 265,140
Double scale
Find third proportional to 61,580 and 132,574
Similar ratio
Find third proportional to 92,367 and 198,855
1.5x scale

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.