Home / 63,072-134,490

Finding the Third Proportional to 63,072 and 134,490

Calculator

Solution

The third proportional to 63,072 and 134,490 is: 286,776.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072 : 134,490 = 134,490 : x
  2. Step 2: Convert to fraction form
    63,072/134,490 = 134,490/x
  3. Step 3: Cross multiply
    63,072x = 134,490 × 134,490
  4. Step 4: Simplify right side
    63,072x = 18,087,560,100
  5. Step 5: Solve for x
    x = 18,087,560,100/63,072
  6. Step 6: Final answer
    x = 286,776.38

Related Problems

Find third proportional to 31,536 and 67,245
Half scale
Find third proportional to 126,144 and 268,980
Double scale
Find third proportional to 63,074 and 134,494
Similar ratio
Find third proportional to 94,608 and 201,735
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.