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Finding the Third Proportional to 4,658,264 and 9,876,400

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Solution

The third proportional to 4,658,264 and 9,876,400 is: 20,939,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658,264 : 9,876,400 = 9,876,400 : x
  2. Step 2: Convert to fraction form
    4,658,264/9,876,400 = 9,876,400/x
  3. Step 3: Cross multiply
    4,658,264x = 9,876,400 × 9,876,400
  4. Step 4: Simplify right side
    4,658,264x = 97,543,276,960,000
  5. Step 5: Solve for x
    x = 97,543,276,960,000/4,658,264
  6. Step 6: Final answer
    x = 20,939,834.44

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.