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Finding the Third Proportional to 112,703,245 and 172,406,732

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Solution

The third proportional to 112,703,245 and 172,406,732 is: 263,737,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,703,245 : 172,406,732 = 172,406,732 : x
  2. Step 2: Convert to fraction form
    112,703,245/172,406,732 = 172,406,732/x
  3. Step 3: Cross multiply
    112,703,245x = 172,406,732 × 172,406,732
  4. Step 4: Simplify right side
    112,703,245x = 29,724,081,238,919,824
  5. Step 5: Solve for x
    x = 29,724,081,238,919,824/112,703,245
  6. Step 6: Final answer
    x = 263,737,581.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.