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Finding the Third Proportional to 6,387,761,872 and 13,900,329,432

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Solution

The third proportional to 6,387,761,872 and 13,900,329,432 is: 30,248,334,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,761,872 : 13,900,329,432 = 13,900,329,432 : x
  2. Step 2: Convert to fraction form
    6,387,761,872/13,900,329,432 = 13,900,329,432/x
  3. Step 3: Cross multiply
    6,387,761,872x = 13,900,329,432 × 13,900,329,432
  4. Step 4: Simplify right side
    6,387,761,872x = 193,219,158,318,125,449,216
  5. Step 5: Solve for x
    x = 193,219,158,318,125,449,216/6,387,761,872
  6. Step 6: Final answer
    x = 30,248,334,579.45

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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.