Home / 211,939,895.25-286,259,575.50

Finding the Third Proportional to 211,939,895.25 and 286,259,575.50

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Solution

The third proportional to 211,939,895.25 and 286,259,575.50 is: 386,640,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,939,895.25 : 286,259,575.50 = 286,259,575.50 : x
  2. Step 2: Convert to fraction form
    211,939,895.25/286,259,575.50 = 286,259,575.50/x
  3. Step 3: Cross multiply
    211,939,895.25x = 286,259,575.50 × 286,259,575.50
  4. Step 4: Simplify right side
    211,939,895.25x = 81,944,544,565,440,208
  5. Step 5: Solve for x
    x = 81,944,544,565,440,208/211,939,895.25
  6. Step 6: Final answer
    x = 386,640,488.19

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.