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Finding the Third Proportional to 18,141,937 and 39,169,905

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Solution

The third proportional to 18,141,937 and 39,169,905 is: 84,570,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141,937 : 39,169,905 = 39,169,905 : x
  2. Step 2: Convert to fraction form
    18,141,937/39,169,905 = 39,169,905/x
  3. Step 3: Cross multiply
    18,141,937x = 39,169,905 × 39,169,905
  4. Step 4: Simplify right side
    18,141,937x = 1,534,281,457,709,025
  5. Step 5: Solve for x
    x = 1,534,281,457,709,025/18,141,937
  6. Step 6: Final answer
    x = 84,570,983.67

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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.