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Finding the Third Proportional to 55,462,987.50 and 86,552,107.50

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Solution

The third proportional to 55,462,987.50 and 86,552,107.50 is: 135,067,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,462,987.50 : 86,552,107.50 = 86,552,107.50 : x
  2. Step 2: Convert to fraction form
    55,462,987.50/86,552,107.50 = 86,552,107.50/x
  3. Step 3: Cross multiply
    55,462,987.50x = 86,552,107.50 × 86,552,107.50
  4. Step 4: Simplify right side
    55,462,987.50x = 7,491,267,312,691,556
  5. Step 5: Solve for x
    x = 7,491,267,312,691,556/55,462,987.50
  6. Step 6: Final answer
    x = 135,067,865.08

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.