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Finding the Third Proportional to 20,736,144 and 45,216,432

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Solution

The third proportional to 20,736,144 and 45,216,432 is: 98,597,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,144 : 45,216,432 = 45,216,432 : x
  2. Step 2: Convert to fraction form
    20,736,144/45,216,432 = 45,216,432/x
  3. Step 3: Cross multiply
    20,736,144x = 45,216,432 × 45,216,432
  4. Step 4: Simplify right side
    20,736,144x = 2,044,525,722,810,624
  5. Step 5: Solve for x
    x = 2,044,525,722,810,624/20,736,144
  6. Step 6: Final answer
    x = 98,597,199.31

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.