Home / 31,490-48,072

Finding the Third Proportional to 31,490 and 48,072

Calculator

Solution

The third proportional to 31,490 and 48,072 is: 73,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,490 : 48,072 = 48,072 : x
  2. Step 2: Convert to fraction form
    31,490/48,072 = 48,072/x
  3. Step 3: Cross multiply
    31,490x = 48,072 × 48,072
  4. Step 4: Simplify right side
    31,490x = 2,310,917,184
  5. Step 5: Solve for x
    x = 2,310,917,184/31,490
  6. Step 6: Final answer
    x = 73,385.75

Related Problems

Find third proportional to 15,745 and 24,036
Half scale
Find third proportional to 62,980 and 96,144
Double scale
Find third proportional to 31,492 and 48,075
Similar ratio
Find third proportional to 47,235 and 72,108
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.