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Finding the Third Proportional to 15,493,985,408 and 33,142,078,340

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Solution

The third proportional to 15,493,985,408 and 33,142,078,340 is: 70,891,854,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493,985,408 : 33,142,078,340 = 33,142,078,340 : x
  2. Step 2: Convert to fraction form
    15,493,985,408/33,142,078,340 = 33,142,078,340/x
  3. Step 3: Cross multiply
    15,493,985,408x = 33,142,078,340 × 33,142,078,340
  4. Step 4: Simplify right side
    15,493,985,408x = 1,098,397,356,694,697,148,416
  5. Step 5: Solve for x
    x = 1,098,397,356,694,697,148,416/15,493,985,408
  6. Step 6: Final answer
    x = 70,891,854,340.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.