Home / 256,502-565,561

Finding the Third Proportional to 256,502 and 565,561

Calculator

Solution

The third proportional to 256,502 and 565,561 is: 1,247,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,502 : 565,561 = 565,561 : x
  2. Step 2: Convert to fraction form
    256,502/565,561 = 565,561/x
  3. Step 3: Cross multiply
    256,502x = 565,561 × 565,561
  4. Step 4: Simplify right side
    256,502x = 319,859,244,721
  5. Step 5: Solve for x
    x = 319,859,244,721/256,502
  6. Step 6: Final answer
    x = 1,247,004.88

Related Problems

Find third proportional to 128,251 and 282,780.50
Half scale
Find third proportional to 513,004 and 1,131,122
Double scale
Find third proportional to 256,504 and 565,565
Similar ratio
Find third proportional to 384,753 and 848,341.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.