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Finding the Third Proportional to 4,220,820 and 9,953,706

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Solution

The third proportional to 4,220,820 and 9,953,706 is: 23,473,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220,820 : 9,953,706 = 9,953,706 : x
  2. Step 2: Convert to fraction form
    4,220,820/9,953,706 = 9,953,706/x
  3. Step 3: Cross multiply
    4,220,820x = 9,953,706 × 9,953,706
  4. Step 4: Simplify right side
    4,220,820x = 99,076,263,134,436
  5. Step 5: Solve for x
    x = 99,076,263,134,436/4,220,820
  6. Step 6: Final answer
    x = 23,473,226.32

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.