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Finding the Third Proportional to 908,627.63 and 1,911,431.25

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Solution

The third proportional to 908,627.63 and 1,911,431.25 is: 4,020,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,627.63 : 1,911,431.25 = 1,911,431.25 : x
  2. Step 2: Convert to fraction form
    908,627.63/1,911,431.25 = 1,911,431.25/x
  3. Step 3: Cross multiply
    908,627.63x = 1,911,431.25 × 1,911,431.25
  4. Step 4: Simplify right side
    908,627.63x = 3,653,569,423,476.56
  5. Step 5: Solve for x
    x = 3,653,569,423,476.56/908,627.63
  6. Step 6: Final answer
    x = 4,020,975.51

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.