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Finding the Third Proportional to 39,115,740 and 84,962,952

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Solution

The third proportional to 39,115,740 and 84,962,952 is: 184,547,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115,740 : 84,962,952 = 84,962,952 : x
  2. Step 2: Convert to fraction form
    39,115,740/84,962,952 = 84,962,952/x
  3. Step 3: Cross multiply
    39,115,740x = 84,962,952 × 84,962,952
  4. Step 4: Simplify right side
    39,115,740x = 7,218,703,212,554,304
  5. Step 5: Solve for x
    x = 7,218,703,212,554,304/39,115,740
  6. Step 6: Final answer
    x = 184,547,274.64

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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.