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Finding the Third Proportional to 151,939,863 and 309,249,369

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Solution

The third proportional to 151,939,863 and 309,249,369 is: 629,427,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,939,863 : 309,249,369 = 309,249,369 : x
  2. Step 2: Convert to fraction form
    151,939,863/309,249,369 = 309,249,369/x
  3. Step 3: Cross multiply
    151,939,863x = 309,249,369 × 309,249,369
  4. Step 4: Simplify right side
    151,939,863x = 95,635,172,226,898,160
  5. Step 5: Solve for x
    x = 95,635,172,226,898,160/151,939,863
  6. Step 6: Final answer
    x = 629,427,790.30

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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.