Home / 280,657.50-617,358

Finding the Third Proportional to 280,657.50 and 617,358

Calculator

Solution

The third proportional to 280,657.50 and 617,358 is: 1,357,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,657.50 : 617,358 = 617,358 : x
  2. Step 2: Convert to fraction form
    280,657.50/617,358 = 617,358/x
  3. Step 3: Cross multiply
    280,657.50x = 617,358 × 617,358
  4. Step 4: Simplify right side
    280,657.50x = 381,130,900,164
  5. Step 5: Solve for x
    x = 381,130,900,164/280,657.50
  6. Step 6: Final answer
    x = 1,357,992.93

Related Problems

Find third proportional to 140,328.75 and 308,679
Half scale
Find third proportional to 561,315 and 1,234,716
Double scale
Find third proportional to 280,660 and 617,362
Similar ratio
Find third proportional to 420,986.25 and 926,037
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.