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Finding the Third Proportional to 4,537,391 and 7,029,161

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Solution

The third proportional to 4,537,391 and 7,029,161 is: 10,889,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,537,391 : 7,029,161 = 7,029,161 : x
  2. Step 2: Convert to fraction form
    4,537,391/7,029,161 = 7,029,161/x
  3. Step 3: Cross multiply
    4,537,391x = 7,029,161 × 7,029,161
  4. Step 4: Simplify right side
    4,537,391x = 49,409,104,363,921
  5. Step 5: Solve for x
    x = 49,409,104,363,921/4,537,391
  6. Step 6: Final answer
    x = 10,889,320.40

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Why These Related Problems?

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