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Finding the Third Proportional to 328,814,325 and 715,513,227

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Solution

The third proportional to 328,814,325 and 715,513,227 is: 1,556,985,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,814,325 : 715,513,227 = 715,513,227 : x
  2. Step 2: Convert to fraction form
    328,814,325/715,513,227 = 715,513,227/x
  3. Step 3: Cross multiply
    328,814,325x = 715,513,227 × 715,513,227
  4. Step 4: Simplify right side
    328,814,325x = 511,959,178,011,953,536
  5. Step 5: Solve for x
    x = 511,959,178,011,953,536/328,814,325
  6. Step 6: Final answer
    x = 1,556,985,627.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.