Home / 279,310-602,900

Finding the Third Proportional to 279,310 and 602,900

Calculator

Solution

The third proportional to 279,310 and 602,900 is: 1,301,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,310 : 602,900 = 602,900 : x
  2. Step 2: Convert to fraction form
    279,310/602,900 = 602,900/x
  3. Step 3: Cross multiply
    279,310x = 602,900 × 602,900
  4. Step 4: Simplify right side
    279,310x = 363,488,410,000
  5. Step 5: Solve for x
    x = 363,488,410,000/279,310
  6. Step 6: Final answer
    x = 1,301,379.86

Related Problems

Find third proportional to 139,655 and 301,450
Half scale
Find third proportional to 558,620 and 1,205,800
Double scale
Find third proportional to 279,312 and 602,904
Similar ratio
Find third proportional to 418,965 and 904,350
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.