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Finding the Third Proportional to 7,029,172 and 15,347,240

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Solution

The third proportional to 7,029,172 and 15,347,240 is: 33,508,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029,172 : 15,347,240 = 15,347,240 : x
  2. Step 2: Convert to fraction form
    7,029,172/15,347,240 = 15,347,240/x
  3. Step 3: Cross multiply
    7,029,172x = 15,347,240 × 15,347,240
  4. Step 4: Simplify right side
    7,029,172x = 235,537,775,617,600
  5. Step 5: Solve for x
    x = 235,537,775,617,600/7,029,172
  6. Step 6: Final answer
    x = 33,508,608.93

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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.