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Finding the Third Proportional to 30,542,973 and 65,868,132

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Solution

The third proportional to 30,542,973 and 65,868,132 is: 142,049,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542,973 : 65,868,132 = 65,868,132 : x
  2. Step 2: Convert to fraction form
    30,542,973/65,868,132 = 65,868,132/x
  3. Step 3: Cross multiply
    30,542,973x = 65,868,132 × 65,868,132
  4. Step 4: Simplify right side
    30,542,973x = 4,338,610,813,169,424
  5. Step 5: Solve for x
    x = 4,338,610,813,169,424/30,542,973
  6. Step 6: Final answer
    x = 142,049,394.25

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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.