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Finding the Third Proportional to 8,859,739.13 and 13,898,314.88

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Solution

The third proportional to 8,859,739.13 and 13,898,314.88 is: 21,802,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,739.13 : 13,898,314.88 = 13,898,314.88 : x
  2. Step 2: Convert to fraction form
    8,859,739.13/13,898,314.88 = 13,898,314.88/x
  3. Step 3: Cross multiply
    8,859,739.13x = 13,898,314.88 × 13,898,314.88
  4. Step 4: Simplify right side
    8,859,739.13x = 193,163,156,364,646.25
  5. Step 5: Solve for x
    x = 193,163,156,364,646.25/8,859,739.13
  6. Step 6: Final answer
    x = 21,802,352.60

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.