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Finding the Third Proportional to 133,668,129 and 212,692,275

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Solution

The third proportional to 133,668,129 and 212,692,275 is: 338,435,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,668,129 : 212,692,275 = 212,692,275 : x
  2. Step 2: Convert to fraction form
    133,668,129/212,692,275 = 212,692,275/x
  3. Step 3: Cross multiply
    133,668,129x = 212,692,275 × 212,692,275
  4. Step 4: Simplify right side
    133,668,129x = 45,238,003,844,675,624
  5. Step 5: Solve for x
    x = 45,238,003,844,675,624/133,668,129
  6. Step 6: Final answer
    x = 338,435,228.97

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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.