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Finding the Third Proportional to 908,482 and 1,911,128

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Solution

The third proportional to 908,482 and 1,911,128 is: 4,020,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,482 : 1,911,128 = 1,911,128 : x
  2. Step 2: Convert to fraction form
    908,482/1,911,128 = 1,911,128/x
  3. Step 3: Cross multiply
    908,482x = 1,911,128 × 1,911,128
  4. Step 4: Simplify right side
    908,482x = 3,652,410,232,384
  5. Step 5: Solve for x
    x = 3,652,410,232,384/908,482
  6. Step 6: Final answer
    x = 4,020,344.08

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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.