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Finding the Third Proportional to 151,939,992 and 309,249,624

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Solution

The third proportional to 151,939,992 and 309,249,624 is: 629,428,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,939,992 : 309,249,624 = 309,249,624 : x
  2. Step 2: Convert to fraction form
    151,939,992/309,249,624 = 309,249,624/x
  3. Step 3: Cross multiply
    151,939,992x = 309,249,624 × 309,249,624
  4. Step 4: Simplify right side
    151,939,992x = 95,635,329,944,141,376
  5. Step 5: Solve for x
    x = 95,635,329,944,141,376/151,939,992
  6. Step 6: Final answer
    x = 629,428,293.93

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.