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Finding the Third Proportional to 39,690,417 and 85,461,645

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Solution

The third proportional to 39,690,417 and 85,461,645 is: 184,016,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690,417 : 85,461,645 = 85,461,645 : x
  2. Step 2: Convert to fraction form
    39,690,417/85,461,645 = 85,461,645/x
  3. Step 3: Cross multiply
    39,690,417x = 85,461,645 × 85,461,645
  4. Step 4: Simplify right side
    39,690,417x = 7,303,692,766,106,025
  5. Step 5: Solve for x
    x = 7,303,692,766,106,025/39,690,417
  6. Step 6: Final answer
    x = 184,016,528.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.