Home / 268,260-578,676

Finding the Third Proportional to 268,260 and 578,676

Calculator

Solution

The third proportional to 268,260 and 578,676 is: 1,248,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,260 : 578,676 = 578,676 : x
  2. Step 2: Convert to fraction form
    268,260/578,676 = 578,676/x
  3. Step 3: Cross multiply
    268,260x = 578,676 × 578,676
  4. Step 4: Simplify right side
    268,260x = 334,865,912,976
  5. Step 5: Solve for x
    x = 334,865,912,976/268,260
  6. Step 6: Final answer
    x = 1,248,288.65

Related Problems

Find third proportional to 134,130 and 289,338
Half scale
Find third proportional to 536,520 and 1,157,352
Double scale
Find third proportional to 268,262 and 578,680
Similar ratio
Find third proportional to 402,390 and 868,014
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.