Home / 525,315-803,220

Finding the Third Proportional to 525,315 and 803,220

Calculator

Solution

The third proportional to 525,315 and 803,220 is: 1,228,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,315 : 803,220 = 803,220 : x
  2. Step 2: Convert to fraction form
    525,315/803,220 = 803,220/x
  3. Step 3: Cross multiply
    525,315x = 803,220 × 803,220
  4. Step 4: Simplify right side
    525,315x = 645,162,368,400
  5. Step 5: Solve for x
    x = 645,162,368,400/525,315
  6. Step 6: Final answer
    x = 1,228,143.82

Related Problems

Find third proportional to 262,657.50 and 401,610
Half scale
Find third proportional to 1,050,630 and 1,606,440
Double scale
Find third proportional to 525,317 and 803,223
Similar ratio
Find third proportional to 787,972.50 and 1,204,830
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.