Home / 388,502-847,612

Finding the Third Proportional to 388,502 and 847,612

Calculator

Solution

The third proportional to 388,502 and 847,612 is: 1,849,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,502 : 847,612 = 847,612 : x
  2. Step 2: Convert to fraction form
    388,502/847,612 = 847,612/x
  3. Step 3: Cross multiply
    388,502x = 847,612 × 847,612
  4. Step 4: Simplify right side
    388,502x = 718,446,102,544
  5. Step 5: Solve for x
    x = 718,446,102,544/388,502
  6. Step 6: Final answer
    x = 1,849,272.60

Related Problems

Find third proportional to 194,251 and 423,806
Half scale
Find third proportional to 777,004 and 1,695,224
Double scale
Find third proportional to 388,504 and 847,616
Similar ratio
Find third proportional to 582,753 and 1,271,418
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.