Home / 520,658-804,583

Finding the Third Proportional to 520,658 and 804,583

Calculator

Solution

The third proportional to 520,658 and 804,583 is: 1,243,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,658 : 804,583 = 804,583 : x
  2. Step 2: Convert to fraction form
    520,658/804,583 = 804,583/x
  3. Step 3: Cross multiply
    520,658x = 804,583 × 804,583
  4. Step 4: Simplify right side
    520,658x = 647,353,803,889
  5. Step 5: Solve for x
    x = 647,353,803,889/520,658
  6. Step 6: Final answer
    x = 1,243,337.86

Related Problems

Find third proportional to 260,329 and 402,291.50
Half scale
Find third proportional to 1,041,316 and 1,609,166
Double scale
Find third proportional to 520,660 and 804,586
Similar ratio
Find third proportional to 780,987 and 1,206,874.50
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.