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Finding the Third Proportional to 39,017,982 and 90,354,036

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Solution

The third proportional to 39,017,982 and 90,354,036 is: 209,233,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,017,982 : 90,354,036 = 90,354,036 : x
  2. Step 2: Convert to fraction form
    39,017,982/90,354,036 = 90,354,036/x
  3. Step 3: Cross multiply
    39,017,982x = 90,354,036 × 90,354,036
  4. Step 4: Simplify right side
    39,017,982x = 8,163,851,821,489,296
  5. Step 5: Solve for x
    x = 8,163,851,821,489,296/39,017,982
  6. Step 6: Final answer
    x = 209,233,061.35

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.