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Finding the Third Proportional to 5,387,789 and 8,365,027.50

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Solution

The third proportional to 5,387,789 and 8,365,027.50 is: 12,987,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,789 : 8,365,027.50 = 8,365,027.50 : x
  2. Step 2: Convert to fraction form
    5,387,789/8,365,027.50 = 8,365,027.50/x
  3. Step 3: Cross multiply
    5,387,789x = 8,365,027.50 × 8,365,027.50
  4. Step 4: Simplify right side
    5,387,789x = 69,973,685,075,756.25
  5. Step 5: Solve for x
    x = 69,973,685,075,756.25/5,387,789
  6. Step 6: Final answer
    x = 12,987,458.32

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.