Home / 207,912-297,316

Finding the Third Proportional to 207,912 and 297,316

Calculator

Solution

The third proportional to 207,912 and 297,316 is: 425,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,912 : 297,316 = 297,316 : x
  2. Step 2: Convert to fraction form
    207,912/297,316 = 297,316/x
  3. Step 3: Cross multiply
    207,912x = 297,316 × 297,316
  4. Step 4: Simplify right side
    207,912x = 88,396,803,856
  5. Step 5: Solve for x
    x = 88,396,803,856/207,912
  6. Step 6: Final answer
    x = 425,164.51

Related Problems

Find third proportional to 103,956 and 148,658
Half scale
Find third proportional to 415,824 and 594,632
Double scale
Find third proportional to 207,914 and 297,319
Similar ratio
Find third proportional to 311,868 and 445,974
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.