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Finding the Third Proportional to 9,918,982 and 15,320,415

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Solution

The third proportional to 9,918,982 and 15,320,415 is: 23,663,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918,982 : 15,320,415 = 15,320,415 : x
  2. Step 2: Convert to fraction form
    9,918,982/15,320,415 = 15,320,415/x
  3. Step 3: Cross multiply
    9,918,982x = 15,320,415 × 15,320,415
  4. Step 4: Simplify right side
    9,918,982x = 234,715,115,772,225
  5. Step 5: Solve for x
    x = 234,715,115,772,225/9,918,982
  6. Step 6: Final answer
    x = 23,663,226.30

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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.