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Finding the Third Proportional to 53,391,944,742 and 72,710,715,372

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Solution

The third proportional to 53,391,944,742 and 72,710,715,372 is: 99,019,583,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391,944,742 : 72,710,715,372 = 72,710,715,372 : x
  2. Step 2: Convert to fraction form
    53,391,944,742/72,710,715,372 = 72,710,715,372/x
  3. Step 3: Cross multiply
    53,391,944,742x = 72,710,715,372 × 72,710,715,372
  4. Step 4: Simplify right side
    53,391,944,742x = 5,286,848,129,907,996,753,920
  5. Step 5: Solve for x
    x = 5,286,848,129,907,996,753,920/53,391,944,742
  6. Step 6: Final answer
    x = 99,019,583,486.89

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.