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Finding the Third Proportional to 9,966,108 and 15,390,826

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Solution

The third proportional to 9,966,108 and 15,390,826 is: 23,768,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,108 : 15,390,826 = 15,390,826 : x
  2. Step 2: Convert to fraction form
    9,966,108/15,390,826 = 15,390,826/x
  3. Step 3: Cross multiply
    9,966,108x = 15,390,826 × 15,390,826
  4. Step 4: Simplify right side
    9,966,108x = 236,877,524,962,276
  5. Step 5: Solve for x
    x = 236,877,524,962,276/9,966,108
  6. Step 6: Final answer
    x = 23,768,308.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.