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Finding the Third Proportional to 39,753,650 and 84,090,842

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Solution

The third proportional to 39,753,650 and 84,090,842 is: 177,877,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,753,650 : 84,090,842 = 84,090,842 : x
  2. Step 2: Convert to fraction form
    39,753,650/84,090,842 = 84,090,842/x
  3. Step 3: Cross multiply
    39,753,650x = 84,090,842 × 84,090,842
  4. Step 4: Simplify right side
    39,753,650x = 7,071,269,708,268,964
  5. Step 5: Solve for x
    x = 7,071,269,708,268,964/39,753,650
  6. Step 6: Final answer
    x = 177,877,244.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.