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Finding the Third Proportional to 7,076,436 and 15,477,781

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Solution

The third proportional to 7,076,436 and 15,477,781 is: 33,853,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076,436 : 15,477,781 = 15,477,781 : x
  2. Step 2: Convert to fraction form
    7,076,436/15,477,781 = 15,477,781/x
  3. Step 3: Cross multiply
    7,076,436x = 15,477,781 × 15,477,781
  4. Step 4: Simplify right side
    7,076,436x = 239,561,704,683,961
  5. Step 5: Solve for x
    x = 239,561,704,683,961/7,076,436
  6. Step 6: Final answer
    x = 33,853,440.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.