Home / 907,721-2,139,711

Finding the Third Proportional to 907,721 and 2,139,711

Calculator

Solution

The third proportional to 907,721 and 2,139,711 is: 5,043,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,721 : 2,139,711 = 2,139,711 : x
  2. Step 2: Convert to fraction form
    907,721/2,139,711 = 2,139,711/x
  3. Step 3: Cross multiply
    907,721x = 2,139,711 × 2,139,711
  4. Step 4: Simplify right side
    907,721x = 4,578,363,163,521
  5. Step 5: Solve for x
    x = 4,578,363,163,521/907,721
  6. Step 6: Final answer
    x = 5,043,799.98

Related Problems

Find third proportional to 453,860.50 and 1,069,855.50
Half scale
Find third proportional to 1,815,442 and 4,279,422
Double scale
Find third proportional to 907,723 and 2,139,716
Similar ratio
Find third proportional to 1,361,581.50 and 3,209,566.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.