Home / 557,340-1,221,480

Finding the Third Proportional to 557,340 and 1,221,480

Calculator

Solution

The third proportional to 557,340 and 1,221,480 is: 2,677,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,340 : 1,221,480 = 1,221,480 : x
  2. Step 2: Convert to fraction form
    557,340/1,221,480 = 1,221,480/x
  3. Step 3: Cross multiply
    557,340x = 1,221,480 × 1,221,480
  4. Step 4: Simplify right side
    557,340x = 1,492,013,390,400
  5. Step 5: Solve for x
    x = 1,492,013,390,400/557,340
  6. Step 6: Final answer
    x = 2,677,025.50

Related Problems

Find third proportional to 278,670 and 610,740
Half scale
Find third proportional to 1,114,680 and 2,442,960
Double scale
Find third proportional to 557,342 and 1,221,484
Similar ratio
Find third proportional to 836,010 and 1,832,220
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.