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Finding the Third Proportional to 10,286,390 and 22,603,396

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Solution

The third proportional to 10,286,390 and 22,603,396 is: 49,668,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286,390 : 22,603,396 = 22,603,396 : x
  2. Step 2: Convert to fraction form
    10,286,390/22,603,396 = 22,603,396/x
  3. Step 3: Cross multiply
    10,286,390x = 22,603,396 × 22,603,396
  4. Step 4: Simplify right side
    10,286,390x = 510,913,510,732,816
  5. Step 5: Solve for x
    x = 510,913,510,732,816/10,286,390
  6. Step 6: Final answer
    x = 49,668,883.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.