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Finding the Third Proportional to 101,045,621,873 and 217,416,678,169

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Solution

The third proportional to 101,045,621,873 and 217,416,678,169 is: 467,808,610,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,045,621,873 : 217,416,678,169 = 217,416,678,169 : x
  2. Step 2: Convert to fraction form
    101,045,621,873/217,416,678,169 = 217,416,678,169/x
  3. Step 3: Cross multiply
    101,045,621,873x = 217,416,678,169 × 217,416,678,169
  4. Step 4: Simplify right side
    101,045,621,873x = 47,270,011,946,042,524,696,576
  5. Step 5: Solve for x
    x = 47,270,011,946,042,524,696,576/101,045,621,873
  6. Step 6: Final answer
    x = 467,808,610,307.28

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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.