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Finding the Third Proportional to 39,753,658 and 84,090,858

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Solution

The third proportional to 39,753,658 and 84,090,858 is: 177,877,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,753,658 : 84,090,858 = 84,090,858 : x
  2. Step 2: Convert to fraction form
    39,753,658/84,090,858 = 84,090,858/x
  3. Step 3: Cross multiply
    39,753,658x = 84,090,858 × 84,090,858
  4. Step 4: Simplify right side
    39,753,658x = 7,071,272,399,176,164
  5. Step 5: Solve for x
    x = 7,071,272,399,176,164/39,753,658
  6. Step 6: Final answer
    x = 177,877,276.08

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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.