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Finding the Third Proportional to 20,899,264 and 45,286,106

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Solution

The third proportional to 20,899,264 and 45,286,106 is: 98,129,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,899,264 : 45,286,106 = 45,286,106 : x
  2. Step 2: Convert to fraction form
    20,899,264/45,286,106 = 45,286,106/x
  3. Step 3: Cross multiply
    20,899,264x = 45,286,106 × 45,286,106
  4. Step 4: Simplify right side
    20,899,264x = 2,050,831,396,643,236
  5. Step 5: Solve for x
    x = 2,050,831,396,643,236/20,899,264
  6. Step 6: Final answer
    x = 98,129,359.80

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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.