Home / 142,276-304,838

Finding the Third Proportional to 142,276 and 304,838

Calculator

Solution

The third proportional to 142,276 and 304,838 is: 653,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,276 : 304,838 = 304,838 : x
  2. Step 2: Convert to fraction form
    142,276/304,838 = 304,838/x
  3. Step 3: Cross multiply
    142,276x = 304,838 × 304,838
  4. Step 4: Simplify right side
    142,276x = 92,926,206,244
  5. Step 5: Solve for x
    x = 92,926,206,244/142,276
  6. Step 6: Final answer
    x = 653,140.42

Related Problems

Find third proportional to 71,138 and 152,419
Half scale
Find third proportional to 284,552 and 609,676
Double scale
Find third proportional to 142,278 and 304,842
Similar ratio
Find third proportional to 213,414 and 457,257
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.