Home / 143,291,876-310,911,938

Finding the Third Proportional to 143,291,876 and 310,911,938

Calculator

Solution

The third proportional to 143,291,876 and 310,911,938 is: 674,610,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,291,876 : 310,911,938 = 310,911,938 : x
  2. Step 2: Convert to fraction form
    143,291,876/310,911,938 = 310,911,938/x
  3. Step 3: Cross multiply
    143,291,876x = 310,911,938 × 310,911,938
  4. Step 4: Simplify right side
    143,291,876x = 96,666,233,190,915,840
  5. Step 5: Solve for x
    x = 96,666,233,190,915,840/143,291,876
  6. Step 6: Final answer
    x = 674,610,702.92

Related Problems

Find third proportional to 71,645,938 and 155,455,969
Half scale
Find third proportional to 286,583,752 and 621,823,876
Double scale
Find third proportional to 143,291,878 and 310,911,942
Similar ratio
Find third proportional to 214,937,814 and 466,367,907
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.