Home / 438,430-942,129

Finding the Third Proportional to 438,430 and 942,129

Calculator

Solution

The third proportional to 438,430 and 942,129 is: 2,024,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,430 : 942,129 = 942,129 : x
  2. Step 2: Convert to fraction form
    438,430/942,129 = 942,129/x
  3. Step 3: Cross multiply
    438,430x = 942,129 × 942,129
  4. Step 4: Simplify right side
    438,430x = 887,607,052,641
  5. Step 5: Solve for x
    x = 887,607,052,641/438,430
  6. Step 6: Final answer
    x = 2,024,512.58

Related Problems

Find third proportional to 219,215 and 471,064.50
Half scale
Find third proportional to 876,860 and 1,884,258
Double scale
Find third proportional to 438,432 and 942,133
Similar ratio
Find third proportional to 657,645 and 1,413,193.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.