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Finding the Third Proportional to 1,489,684.50 and 3,158,118

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Solution

The third proportional to 1,489,684.50 and 3,158,118 is: 6,695,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,684.50 : 3,158,118 = 3,158,118 : x
  2. Step 2: Convert to fraction form
    1,489,684.50/3,158,118 = 3,158,118/x
  3. Step 3: Cross multiply
    1,489,684.50x = 3,158,118 × 3,158,118
  4. Step 4: Simplify right side
    1,489,684.50x = 9,973,709,301,924
  5. Step 5: Solve for x
    x = 9,973,709,301,924/1,489,684.50
  6. Step 6: Final answer
    x = 6,695,182.30

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.