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Finding the Third Proportional to 15,205,826 and 31,489,586

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Solution

The third proportional to 15,205,826 and 31,489,586 is: 65,211,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,826 : 31,489,586 = 31,489,586 : x
  2. Step 2: Convert to fraction form
    15,205,826/31,489,586 = 31,489,586/x
  3. Step 3: Cross multiply
    15,205,826x = 31,489,586 × 31,489,586
  4. Step 4: Simplify right side
    15,205,826x = 991,594,026,451,396
  5. Step 5: Solve for x
    x = 991,594,026,451,396/15,205,826
  6. Step 6: Final answer
    x = 65,211,454.24

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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.