Home / 418,458-537,291

Finding the Third Proportional to 418,458 and 537,291

Calculator

Solution

The third proportional to 418,458 and 537,291 is: 689,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,458 : 537,291 = 537,291 : x
  2. Step 2: Convert to fraction form
    418,458/537,291 = 537,291/x
  3. Step 3: Cross multiply
    418,458x = 537,291 × 537,291
  4. Step 4: Simplify right side
    418,458x = 288,681,618,681
  5. Step 5: Solve for x
    x = 288,681,618,681/418,458
  6. Step 6: Final answer
    x = 689,870.00

Related Problems

Find third proportional to 209,229 and 268,645.50
Half scale
Find third proportional to 836,916 and 1,074,582
Double scale
Find third proportional to 418,460 and 537,294
Similar ratio
Find third proportional to 627,687 and 805,936.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.