Home / 256,782-572,574

Finding the Third Proportional to 256,782 and 572,574

Calculator

Solution

The third proportional to 256,782 and 572,574 is: 1,276,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,782 : 572,574 = 572,574 : x
  2. Step 2: Convert to fraction form
    256,782/572,574 = 572,574/x
  3. Step 3: Cross multiply
    256,782x = 572,574 × 572,574
  4. Step 4: Simplify right side
    256,782x = 327,840,985,476
  5. Step 5: Solve for x
    x = 327,840,985,476/256,782
  6. Step 6: Final answer
    x = 1,276,728.84

Related Problems

Find third proportional to 128,391 and 286,287
Half scale
Find third proportional to 513,564 and 1,145,148
Double scale
Find third proportional to 256,784 and 572,578
Similar ratio
Find third proportional to 385,173 and 858,861
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.