Home / 134,130-279,276

Finding the Third Proportional to 134,130 and 279,276

Calculator

Solution

The third proportional to 134,130 and 279,276 is: 581,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,130 : 279,276 = 279,276 : x
  2. Step 2: Convert to fraction form
    134,130/279,276 = 279,276/x
  3. Step 3: Cross multiply
    134,130x = 279,276 × 279,276
  4. Step 4: Simplify right side
    134,130x = 77,995,084,176
  5. Step 5: Solve for x
    x = 77,995,084,176/134,130
  6. Step 6: Final answer
    x = 581,488.74

Related Problems

Find third proportional to 67,065 and 139,638
Half scale
Find third proportional to 268,260 and 558,552
Double scale
Find third proportional to 134,132 and 279,280
Similar ratio
Find third proportional to 201,195 and 418,914
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.