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Finding the Third Proportional to 163,982,914 and 251,455,213

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Solution

The third proportional to 163,982,914 and 251,455,213 is: 385,587,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,982,914 : 251,455,213 = 251,455,213 : x
  2. Step 2: Convert to fraction form
    163,982,914/251,455,213 = 251,455,213/x
  3. Step 3: Cross multiply
    163,982,914x = 251,455,213 × 251,455,213
  4. Step 4: Simplify right side
    163,982,914x = 63,229,724,144,875,368
  5. Step 5: Solve for x
    x = 63,229,724,144,875,368/163,982,914
  6. Step 6: Final answer
    x = 385,587,270.05

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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.