Home / 328,410-707,465

Finding the Third Proportional to 328,410 and 707,465

Calculator

Solution

The third proportional to 328,410 and 707,465 is: 1,524,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,410 : 707,465 = 707,465 : x
  2. Step 2: Convert to fraction form
    328,410/707,465 = 707,465/x
  3. Step 3: Cross multiply
    328,410x = 707,465 × 707,465
  4. Step 4: Simplify right side
    328,410x = 500,506,726,225
  5. Step 5: Solve for x
    x = 500,506,726,225/328,410
  6. Step 6: Final answer
    x = 1,524,030.10

Related Problems

Find third proportional to 164,205 and 353,732.50
Half scale
Find third proportional to 656,820 and 1,414,930
Double scale
Find third proportional to 328,412 and 707,469
Similar ratio
Find third proportional to 492,615 and 1,061,197.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.