Home / 315,078-470,557

Finding the Third Proportional to 315,078 and 470,557

Calculator

Solution

The third proportional to 315,078 and 470,557 is: 702,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,078 : 470,557 = 470,557 : x
  2. Step 2: Convert to fraction form
    315,078/470,557 = 470,557/x
  3. Step 3: Cross multiply
    315,078x = 470,557 × 470,557
  4. Step 4: Simplify right side
    315,078x = 221,423,890,249
  5. Step 5: Solve for x
    x = 221,423,890,249/315,078
  6. Step 6: Final answer
    x = 702,758.97

Related Problems

Find third proportional to 157,539 and 235,278.50
Half scale
Find third proportional to 630,156 and 941,114
Double scale
Find third proportional to 315,080 and 470,560
Similar ratio
Find third proportional to 472,617 and 705,835.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.