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Finding the Third Proportional to 133,668,118 and 212,692,262

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Solution

The third proportional to 133,668,118 and 212,692,262 is: 338,435,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,668,118 : 212,692,262 = 212,692,262 : x
  2. Step 2: Convert to fraction form
    133,668,118/212,692,262 = 212,692,262/x
  3. Step 3: Cross multiply
    133,668,118x = 212,692,262 × 212,692,262
  4. Step 4: Simplify right side
    133,668,118x = 45,237,998,314,676,640
  5. Step 5: Solve for x
    x = 45,237,998,314,676,640/133,668,118
  6. Step 6: Final answer
    x = 338,435,215.45

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.