Home / 317,205-455,935.50

Finding the Third Proportional to 317,205 and 455,935.50

Calculator

Solution

The third proportional to 317,205 and 455,935.50 is: 655,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,205 : 455,935.50 = 455,935.50 : x
  2. Step 2: Convert to fraction form
    317,205/455,935.50 = 455,935.50/x
  3. Step 3: Cross multiply
    317,205x = 455,935.50 × 455,935.50
  4. Step 4: Simplify right side
    317,205x = 207,877,180,160.25
  5. Step 5: Solve for x
    x = 207,877,180,160.25/317,205
  6. Step 6: Final answer
    x = 655,340.17

Related Problems

Find third proportional to 158,602.50 and 227,967.75
Half scale
Find third proportional to 634,410 and 911,871
Double scale
Find third proportional to 317,207 and 455,938
Similar ratio
Find third proportional to 475,807.50 and 683,903.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.