Home / 189,572-288,454

Finding the Third Proportional to 189,572 and 288,454

Calculator

Solution

The third proportional to 189,572 and 288,454 is: 438,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,572 : 288,454 = 288,454 : x
  2. Step 2: Convert to fraction form
    189,572/288,454 = 288,454/x
  3. Step 3: Cross multiply
    189,572x = 288,454 × 288,454
  4. Step 4: Simplify right side
    189,572x = 83,205,710,116
  5. Step 5: Solve for x
    x = 83,205,710,116/189,572
  6. Step 6: Final answer
    x = 438,913.50

Related Problems

Find third proportional to 94,786 and 144,227
Half scale
Find third proportional to 379,144 and 576,908
Double scale
Find third proportional to 189,574 and 288,457
Similar ratio
Find third proportional to 284,358 and 432,681
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.