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Finding the Third Proportional to 15,205,926 and 31,489,223

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Solution

The third proportional to 15,205,926 and 31,489,223 is: 65,209,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,926 : 31,489,223 = 31,489,223 : x
  2. Step 2: Convert to fraction form
    15,205,926/31,489,223 = 31,489,223/x
  3. Step 3: Cross multiply
    15,205,926x = 31,489,223 × 31,489,223
  4. Step 4: Simplify right side
    15,205,926x = 991,571,165,143,729
  5. Step 5: Solve for x
    x = 991,571,165,143,729/15,205,926
  6. Step 6: Final answer
    x = 65,209,521.94

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.