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Finding the Third Proportional to 18,152,938 and 39,330,011

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Solution

The third proportional to 18,152,938 and 39,330,011 is: 85,212,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,938 : 39,330,011 = 39,330,011 : x
  2. Step 2: Convert to fraction form
    18,152,938/39,330,011 = 39,330,011/x
  3. Step 3: Cross multiply
    18,152,938x = 39,330,011 × 39,330,011
  4. Step 4: Simplify right side
    18,152,938x = 1,546,849,765,260,121
  5. Step 5: Solve for x
    x = 1,546,849,765,260,121/18,152,938
  6. Step 6: Final answer
    x = 85,212,088.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.