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Finding the Third Proportional to 10,364,776 and 21,393,427

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Solution

The third proportional to 10,364,776 and 21,393,427 is: 44,157,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364,776 : 21,393,427 = 21,393,427 : x
  2. Step 2: Convert to fraction form
    10,364,776/21,393,427 = 21,393,427/x
  3. Step 3: Cross multiply
    10,364,776x = 21,393,427 × 21,393,427
  4. Step 4: Simplify right side
    10,364,776x = 457,678,718,804,329
  5. Step 5: Solve for x
    x = 457,678,718,804,329/10,364,776
  6. Step 6: Final answer
    x = 44,157,125.90

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.