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Finding the Third Proportional to 40,819,920 and 88,133,406

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Solution

The third proportional to 40,819,920 and 88,133,406 is: 190,286,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,819,920 : 88,133,406 = 88,133,406 : x
  2. Step 2: Convert to fraction form
    40,819,920/88,133,406 = 88,133,406/x
  3. Step 3: Cross multiply
    40,819,920x = 88,133,406 × 88,133,406
  4. Step 4: Simplify right side
    40,819,920x = 7,767,497,253,160,836
  5. Step 5: Solve for x
    x = 7,767,497,253,160,836/40,819,920
  6. Step 6: Final answer
    x = 190,286,929.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.