Home / 279,612-608,376

Finding the Third Proportional to 279,612 and 608,376

Calculator

Solution

The third proportional to 279,612 and 608,376 is: 1,323,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,612 : 608,376 = 608,376 : x
  2. Step 2: Convert to fraction form
    279,612/608,376 = 608,376/x
  3. Step 3: Cross multiply
    279,612x = 608,376 × 608,376
  4. Step 4: Simplify right side
    279,612x = 370,121,357,376
  5. Step 5: Solve for x
    x = 370,121,357,376/279,612
  6. Step 6: Final answer
    x = 1,323,696.26

Related Problems

Find third proportional to 139,806 and 304,188
Half scale
Find third proportional to 559,224 and 1,216,752
Double scale
Find third proportional to 279,614 and 608,380
Similar ratio
Find third proportional to 419,418 and 912,564
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.