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Finding the Third Proportional to 15,949,932.75 and 34,988,182.88

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Solution

The third proportional to 15,949,932.75 and 34,988,182.88 is: 76,750,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949,932.75 : 34,988,182.88 = 34,988,182.88 : x
  2. Step 2: Convert to fraction form
    15,949,932.75/34,988,182.88 = 34,988,182.88/x
  3. Step 3: Cross multiply
    15,949,932.75x = 34,988,182.88 × 34,988,182.88
  4. Step 4: Simplify right side
    15,949,932.75x = 1,224,172,940,894,443.25
  5. Step 5: Solve for x
    x = 1,224,172,940,894,443.25/15,949,932.75
  6. Step 6: Final answer
    x = 76,750,978.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.