Home / 223,280-318,316

Finding the Third Proportional to 223,280 and 318,316

Calculator

Solution

The third proportional to 223,280 and 318,316 is: 453,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,280 : 318,316 = 318,316 : x
  2. Step 2: Convert to fraction form
    223,280/318,316 = 318,316/x
  3. Step 3: Cross multiply
    223,280x = 318,316 × 318,316
  4. Step 4: Simplify right side
    223,280x = 101,325,075,856
  5. Step 5: Solve for x
    x = 101,325,075,856/223,280
  6. Step 6: Final answer
    x = 453,802.74

Related Problems

Find third proportional to 111,640 and 159,158
Half scale
Find third proportional to 446,560 and 636,632
Double scale
Find third proportional to 223,282 and 318,319
Similar ratio
Find third proportional to 334,920 and 477,474
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.