Home / 450,184-686,708

Finding the Third Proportional to 450,184 and 686,708

Calculator

Solution

The third proportional to 450,184 and 686,708 is: 1,047,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,184 : 686,708 = 686,708 : x
  2. Step 2: Convert to fraction form
    450,184/686,708 = 686,708/x
  3. Step 3: Cross multiply
    450,184x = 686,708 × 686,708
  4. Step 4: Simplify right side
    450,184x = 471,567,877,264
  5. Step 5: Solve for x
    x = 471,567,877,264/450,184
  6. Step 6: Final answer
    x = 1,047,500.30

Related Problems

Find third proportional to 225,092 and 343,354
Half scale
Find third proportional to 900,368 and 1,373,416
Double scale
Find third proportional to 450,186 and 686,711
Similar ratio
Find third proportional to 675,276 and 1,030,062
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.