Home / 355,700-542,583

Finding the Third Proportional to 355,700 and 542,583

Calculator

Solution

The third proportional to 355,700 and 542,583 is: 827,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,700 : 542,583 = 542,583 : x
  2. Step 2: Convert to fraction form
    355,700/542,583 = 542,583/x
  3. Step 3: Cross multiply
    355,700x = 542,583 × 542,583
  4. Step 4: Simplify right side
    355,700x = 294,396,311,889
  5. Step 5: Solve for x
    x = 294,396,311,889/355,700
  6. Step 6: Final answer
    x = 827,653.39

Related Problems

Find third proportional to 177,850 and 271,291.50
Half scale
Find third proportional to 711,400 and 1,085,166
Double scale
Find third proportional to 355,702 and 542,586
Similar ratio
Find third proportional to 533,550 and 813,874.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.