Home / 290,246-448,483

Finding the Third Proportional to 290,246 and 448,483

Calculator

Solution

The third proportional to 290,246 and 448,483 is: 692,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,246 : 448,483 = 448,483 : x
  2. Step 2: Convert to fraction form
    290,246/448,483 = 448,483/x
  3. Step 3: Cross multiply
    290,246x = 448,483 × 448,483
  4. Step 4: Simplify right side
    290,246x = 201,137,001,289
  5. Step 5: Solve for x
    x = 201,137,001,289/290,246
  6. Step 6: Final answer
    x = 692,988.02

Related Problems

Find third proportional to 145,123 and 224,241.50
Half scale
Find third proportional to 580,492 and 896,966
Double scale
Find third proportional to 290,248 and 448,486
Similar ratio
Find third proportional to 435,369 and 672,724.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.