Home / 689,370-1,458,224

Finding the Third Proportional to 689,370 and 1,458,224

Calculator

Solution

The third proportional to 689,370 and 1,458,224 is: 3,084,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,370 : 1,458,224 = 1,458,224 : x
  2. Step 2: Convert to fraction form
    689,370/1,458,224 = 1,458,224/x
  3. Step 3: Cross multiply
    689,370x = 1,458,224 × 1,458,224
  4. Step 4: Simplify right side
    689,370x = 2,126,417,234,176
  5. Step 5: Solve for x
    x = 2,126,417,234,176/689,370
  6. Step 6: Final answer
    x = 3,084,580.46

Related Problems

Find third proportional to 344,685 and 729,112
Half scale
Find third proportional to 1,378,740 and 2,916,448
Double scale
Find third proportional to 689,372 and 1,458,228
Similar ratio
Find third proportional to 1,034,055 and 2,187,336
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.