Home / 255,509-537,478

Finding the Third Proportional to 255,509 and 537,478

Calculator

Solution

The third proportional to 255,509 and 537,478 is: 1,130,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,509 : 537,478 = 537,478 : x
  2. Step 2: Convert to fraction form
    255,509/537,478 = 537,478/x
  3. Step 3: Cross multiply
    255,509x = 537,478 × 537,478
  4. Step 4: Simplify right side
    255,509x = 288,882,600,484
  5. Step 5: Solve for x
    x = 288,882,600,484/255,509
  6. Step 6: Final answer
    x = 1,130,616.14

Related Problems

Find third proportional to 127,754.50 and 268,739
Half scale
Find third proportional to 511,018 and 1,074,956
Double scale
Find third proportional to 255,511 and 537,482
Similar ratio
Find third proportional to 383,263.50 and 806,217
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.