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Finding the Third Proportional to 7,449,281 and 11,390,516

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Solution

The third proportional to 7,449,281 and 11,390,516 is: 17,416,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449,281 : 11,390,516 = 11,390,516 : x
  2. Step 2: Convert to fraction form
    7,449,281/11,390,516 = 11,390,516/x
  3. Step 3: Cross multiply
    7,449,281x = 11,390,516 × 11,390,516
  4. Step 4: Simplify right side
    7,449,281x = 129,743,854,746,256
  5. Step 5: Solve for x
    x = 129,743,854,746,256/7,449,281
  6. Step 6: Final answer
    x = 17,416,963.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.