Home / 257,465-538,472

Finding the Third Proportional to 257,465 and 538,472

Calculator

Solution

The third proportional to 257,465 and 538,472 is: 1,126,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,465 : 538,472 = 538,472 : x
  2. Step 2: Convert to fraction form
    257,465/538,472 = 538,472/x
  3. Step 3: Cross multiply
    257,465x = 538,472 × 538,472
  4. Step 4: Simplify right side
    257,465x = 289,952,094,784
  5. Step 5: Solve for x
    x = 289,952,094,784/257,465
  6. Step 6: Final answer
    x = 1,126,180.63

Related Problems

Find third proportional to 128,732.50 and 269,236
Half scale
Find third proportional to 514,930 and 1,076,944
Double scale
Find third proportional to 257,467 and 538,476
Similar ratio
Find third proportional to 386,197.50 and 807,708
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.