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Finding the Third Proportional to 817,294,536 and 1,815,987,312

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Solution

The third proportional to 817,294,536 and 1,815,987,312 is: 4,035,032,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,294,536 : 1,815,987,312 = 1,815,987,312 : x
  2. Step 2: Convert to fraction form
    817,294,536/1,815,987,312 = 1,815,987,312/x
  3. Step 3: Cross multiply
    817,294,536x = 1,815,987,312 × 1,815,987,312
  4. Step 4: Simplify right side
    817,294,536x = 3,297,809,917,344,985,088
  5. Step 5: Solve for x
    x = 3,297,809,917,344,985,088/817,294,536
  6. Step 6: Final answer
    x = 4,035,032,380.72

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.