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Finding the Third Proportional to 21,045,732 and 45,285,576

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Solution

The third proportional to 21,045,732 and 45,285,576 is: 97,444,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045,732 : 45,285,576 = 45,285,576 : x
  2. Step 2: Convert to fraction form
    21,045,732/45,285,576 = 45,285,576/x
  3. Step 3: Cross multiply
    21,045,732x = 45,285,576 × 45,285,576
  4. Step 4: Simplify right side
    21,045,732x = 2,050,783,393,651,776
  5. Step 5: Solve for x
    x = 2,050,783,393,651,776/21,045,732
  6. Step 6: Final answer
    x = 97,444,146.57

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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.