Home / 13,275,980-20,503,641

Finding the Third Proportional to 13,275,980 and 20,503,641

Calculator

Solution

The third proportional to 13,275,980 and 20,503,641 is: 31,666,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275,980 : 20,503,641 = 20,503,641 : x
  2. Step 2: Convert to fraction form
    13,275,980/20,503,641 = 20,503,641/x
  3. Step 3: Cross multiply
    13,275,980x = 20,503,641 × 20,503,641
  4. Step 4: Simplify right side
    13,275,980x = 420,399,294,256,881
  5. Step 5: Solve for x
    x = 420,399,294,256,881/13,275,980
  6. Step 6: Final answer
    x = 31,666,159.05

Related Problems

Find third proportional to 6,637,990 and 10,251,820.50
Half scale
Find third proportional to 26,551,960 and 41,007,282
Double scale
Find third proportional to 13,275,982 and 20,503,644
Similar ratio
Find third proportional to 19,913,970 and 30,755,461.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.