Home / 257,456-560,682

Finding the Third Proportional to 257,456 and 560,682

Calculator

Solution

The third proportional to 257,456 and 560,682 is: 1,221,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,456 : 560,682 = 560,682 : x
  2. Step 2: Convert to fraction form
    257,456/560,682 = 560,682/x
  3. Step 3: Cross multiply
    257,456x = 560,682 × 560,682
  4. Step 4: Simplify right side
    257,456x = 314,364,305,124
  5. Step 5: Solve for x
    x = 314,364,305,124/257,456
  6. Step 6: Final answer
    x = 1,221,040.90

Related Problems

Find third proportional to 128,728 and 280,341
Half scale
Find third proportional to 514,912 and 1,121,364
Double scale
Find third proportional to 257,458 and 560,686
Similar ratio
Find third proportional to 386,184 and 841,023
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.