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Finding the Third Proportional to 28,986,990.75 and 63,005,995.13

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Solution

The third proportional to 28,986,990.75 and 63,005,995.13 is: 136,949,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986,990.75 : 63,005,995.13 = 63,005,995.13 : x
  2. Step 2: Convert to fraction form
    28,986,990.75/63,005,995.13 = 63,005,995.13/x
  3. Step 3: Cross multiply
    28,986,990.75x = 63,005,995.13 × 63,005,995.13
  4. Step 4: Simplify right side
    28,986,990.75x = 3,969,755,421,691,524
  5. Step 5: Solve for x
    x = 3,969,755,421,691,524/28,986,990.75
  6. Step 6: Final answer
    x = 136,949,552.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.