Home / 212,624-288,888

Finding the Third Proportional to 212,624 and 288,888

Calculator

Solution

The third proportional to 212,624 and 288,888 is: 392,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,624 : 288,888 = 288,888 : x
  2. Step 2: Convert to fraction form
    212,624/288,888 = 288,888/x
  3. Step 3: Cross multiply
    212,624x = 288,888 × 288,888
  4. Step 4: Simplify right side
    212,624x = 83,456,276,544
  5. Step 5: Solve for x
    x = 83,456,276,544/212,624
  6. Step 6: Final answer
    x = 392,506.38

Related Problems

Find third proportional to 106,312 and 144,444
Half scale
Find third proportional to 425,248 and 577,776
Double scale
Find third proportional to 212,626 and 288,891
Similar ratio
Find third proportional to 318,936 and 433,332
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.