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Finding the Third Proportional to 328,814,539 and 715,513,866

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Solution

The third proportional to 328,814,539 and 715,513,866 is: 1,556,987,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,814,539 : 715,513,866 = 715,513,866 : x
  2. Step 2: Convert to fraction form
    328,814,539/715,513,866 = 715,513,866/x
  3. Step 3: Cross multiply
    328,814,539x = 715,513,866 × 715,513,866
  4. Step 4: Simplify right side
    328,814,539x = 511,960,092,438,265,984
  5. Step 5: Solve for x
    x = 511,960,092,438,265,984/328,814,539
  6. Step 6: Final answer
    x = 1,556,987,394.76

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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.