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Finding the Third Proportional to 10,172,960 and 15,363,120

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Solution

The third proportional to 10,172,960 and 15,363,120 is: 23,201,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172,960 : 15,363,120 = 15,363,120 : x
  2. Step 2: Convert to fraction form
    10,172,960/15,363,120 = 15,363,120/x
  3. Step 3: Cross multiply
    10,172,960x = 15,363,120 × 15,363,120
  4. Step 4: Simplify right side
    10,172,960x = 236,025,456,134,400
  5. Step 5: Solve for x
    x = 236,025,456,134,400/10,172,960
  6. Step 6: Final answer
    x = 23,201,256.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.