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Finding the Third Proportional to 1,530,421.59 and 3,336,405.19

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Solution

The third proportional to 1,530,421.59 and 3,336,405.19 is: 7,273,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,421.59 : 3,336,405.19 = 3,336,405.19 : x
  2. Step 2: Convert to fraction form
    1,530,421.59/3,336,405.19 = 3,336,405.19/x
  3. Step 3: Cross multiply
    1,530,421.59x = 3,336,405.19 × 3,336,405.19
  4. Step 4: Simplify right side
    1,530,421.59x = 11,131,599,575,176.91
  5. Step 5: Solve for x
    x = 11,131,599,575,176.91/1,530,421.59
  6. Step 6: Final answer
    x = 7,273,551.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.