Home / 427,970-653,376

Finding the Third Proportional to 427,970 and 653,376

Calculator

Solution

The third proportional to 427,970 and 653,376 is: 997,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,970 : 653,376 = 653,376 : x
  2. Step 2: Convert to fraction form
    427,970/653,376 = 653,376/x
  3. Step 3: Cross multiply
    427,970x = 653,376 × 653,376
  4. Step 4: Simplify right side
    427,970x = 426,900,197,376
  5. Step 5: Solve for x
    x = 426,900,197,376/427,970
  6. Step 6: Final answer
    x = 997,500.29

Related Problems

Find third proportional to 213,985 and 326,688
Half scale
Find third proportional to 855,940 and 1,306,752
Double scale
Find third proportional to 427,972 and 653,379
Similar ratio
Find third proportional to 641,955 and 980,064
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.