Home / 425,700-909,240

Finding the Third Proportional to 425,700 and 909,240

Calculator

Solution

The third proportional to 425,700 and 909,240 is: 1,942,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,700 : 909,240 = 909,240 : x
  2. Step 2: Convert to fraction form
    425,700/909,240 = 909,240/x
  3. Step 3: Cross multiply
    425,700x = 909,240 × 909,240
  4. Step 4: Simplify right side
    425,700x = 826,717,377,600
  5. Step 5: Solve for x
    x = 826,717,377,600/425,700
  6. Step 6: Final answer
    x = 1,942,018.74

Related Problems

Find third proportional to 212,850 and 454,620
Half scale
Find third proportional to 851,400 and 1,818,480
Double scale
Find third proportional to 425,702 and 909,244
Similar ratio
Find third proportional to 638,550 and 1,363,860
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.