Home / 278,462-448,365

Finding the Third Proportional to 278,462 and 448,365

Calculator

Solution

The third proportional to 278,462 and 448,365 is: 721,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,462 : 448,365 = 448,365 : x
  2. Step 2: Convert to fraction form
    278,462/448,365 = 448,365/x
  3. Step 3: Cross multiply
    278,462x = 448,365 × 448,365
  4. Step 4: Simplify right side
    278,462x = 201,031,173,225
  5. Step 5: Solve for x
    x = 201,031,173,225/278,462
  6. Step 6: Final answer
    x = 721,933.96

Related Problems

Find third proportional to 139,231 and 224,182.50
Half scale
Find third proportional to 556,924 and 896,730
Double scale
Find third proportional to 278,464 and 448,368
Similar ratio
Find third proportional to 417,693 and 672,547.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.