Home / 289,444-625,688

Finding the Third Proportional to 289,444 and 625,688

Calculator

Solution

The third proportional to 289,444 and 625,688 is: 1,352,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,444 : 625,688 = 625,688 : x
  2. Step 2: Convert to fraction form
    289,444/625,688 = 625,688/x
  3. Step 3: Cross multiply
    289,444x = 625,688 × 625,688
  4. Step 4: Simplify right side
    289,444x = 391,485,473,344
  5. Step 5: Solve for x
    x = 391,485,473,344/289,444
  6. Step 6: Final answer
    x = 1,352,543.06

Related Problems

Find third proportional to 144,722 and 312,844
Half scale
Find third proportional to 578,888 and 1,251,376
Double scale
Find third proportional to 289,446 and 625,692
Similar ratio
Find third proportional to 434,166 and 938,532
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.