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Finding the Third Proportional to 102,892,128 and 220,703,994

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Solution

The third proportional to 102,892,128 and 220,703,994 is: 473,410,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,892,128 : 220,703,994 = 220,703,994 : x
  2. Step 2: Convert to fraction form
    102,892,128/220,703,994 = 220,703,994/x
  3. Step 3: Cross multiply
    102,892,128x = 220,703,994 × 220,703,994
  4. Step 4: Simplify right side
    102,892,128x = 48,710,252,967,552,032
  5. Step 5: Solve for x
    x = 48,710,252,967,552,032/102,892,128
  6. Step 6: Final answer
    x = 473,410,881.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.