Home / 231,363-345,135

Finding the Third Proportional to 231,363 and 345,135

Calculator

Solution

The third proportional to 231,363 and 345,135 is: 514,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,363 : 345,135 = 345,135 : x
  2. Step 2: Convert to fraction form
    231,363/345,135 = 345,135/x
  3. Step 3: Cross multiply
    231,363x = 345,135 × 345,135
  4. Step 4: Simplify right side
    231,363x = 119,118,168,225
  5. Step 5: Solve for x
    x = 119,118,168,225/231,363
  6. Step 6: Final answer
    x = 514,854.01

Related Problems

Find third proportional to 115,681.50 and 172,567.50
Half scale
Find third proportional to 462,726 and 690,270
Double scale
Find third proportional to 231,365 and 345,138
Similar ratio
Find third proportional to 347,044.50 and 517,702.50
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.