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Finding the Third Proportional to 30,186,987 and 65,179,566

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Solution

The third proportional to 30,186,987 and 65,179,566 is: 140,735,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186,987 : 65,179,566 = 65,179,566 : x
  2. Step 2: Convert to fraction form
    30,186,987/65,179,566 = 65,179,566/x
  3. Step 3: Cross multiply
    30,186,987x = 65,179,566 × 65,179,566
  4. Step 4: Simplify right side
    30,186,987x = 4,248,375,823,948,356
  5. Step 5: Solve for x
    x = 4,248,375,823,948,356/30,186,987
  6. Step 6: Final answer
    x = 140,735,338.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.