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Finding the Third Proportional to 21,011,156 and 46,008,120

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Solution

The third proportional to 21,011,156 and 46,008,120 is: 100,743,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,156 : 46,008,120 = 46,008,120 : x
  2. Step 2: Convert to fraction form
    21,011,156/46,008,120 = 46,008,120/x
  3. Step 3: Cross multiply
    21,011,156x = 46,008,120 × 46,008,120
  4. Step 4: Simplify right side
    21,011,156x = 2,116,747,105,934,400
  5. Step 5: Solve for x
    x = 2,116,747,105,934,400/21,011,156
  6. Step 6: Final answer
    x = 100,743,962.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.