Home / 211,784,680.50-309,549,377.25

Finding the Third Proportional to 211,784,680.50 and 309,549,377.25

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Solution

The third proportional to 211,784,680.50 and 309,549,377.25 is: 452,444,514.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,784,680.50 : 309,549,377.25 = 309,549,377.25 : x
  2. Step 2: Convert to fraction form
    211,784,680.50/309,549,377.25 = 309,549,377.25/x
  3. Step 3: Cross multiply
    211,784,680.50x = 309,549,377.25 × 309,549,377.25
  4. Step 4: Simplify right side
    211,784,680.50x = 95,820,816,955,862,816
  5. Step 5: Solve for x
    x = 95,820,816,955,862,816/211,784,680.50
  6. Step 6: Final answer
    x = 452,444,514.54

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.