Home / 56,487-74,991

Finding the Third Proportional to 56,487 and 74,991

Calculator

Solution

The third proportional to 56,487 and 74,991 is: 99,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,487 : 74,991 = 74,991 : x
  2. Step 2: Convert to fraction form
    56,487/74,991 = 74,991/x
  3. Step 3: Cross multiply
    56,487x = 74,991 × 74,991
  4. Step 4: Simplify right side
    56,487x = 5,623,650,081
  5. Step 5: Solve for x
    x = 5,623,650,081/56,487
  6. Step 6: Final answer
    x = 99,556.54

Related Problems

Find third proportional to 28,243.50 and 37,495.50
Half scale
Find third proportional to 112,974 and 149,982
Double scale
Find third proportional to 56,489 and 74,994
Similar ratio
Find third proportional to 84,730.50 and 112,486.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.