Home / 63,270-128,358

Finding the Third Proportional to 63,270 and 128,358

Calculator

Solution

The third proportional to 63,270 and 128,358 is: 260,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,270 : 128,358 = 128,358 : x
  2. Step 2: Convert to fraction form
    63,270/128,358 = 128,358/x
  3. Step 3: Cross multiply
    63,270x = 128,358 × 128,358
  4. Step 4: Simplify right side
    63,270x = 16,475,776,164
  5. Step 5: Solve for x
    x = 16,475,776,164/63,270
  6. Step 6: Final answer
    x = 260,404.24

Related Problems

Find third proportional to 31,635 and 64,179
Half scale
Find third proportional to 126,540 and 256,716
Double scale
Find third proportional to 63,272 and 128,362
Similar ratio
Find third proportional to 94,905 and 192,537
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.