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Finding the Third Proportional to 4,712,840 and 7,372,524

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Solution

The third proportional to 4,712,840 and 7,372,524 is: 11,533,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,840 : 7,372,524 = 7,372,524 : x
  2. Step 2: Convert to fraction form
    4,712,840/7,372,524 = 7,372,524/x
  3. Step 3: Cross multiply
    4,712,840x = 7,372,524 × 7,372,524
  4. Step 4: Simplify right side
    4,712,840x = 54,354,110,130,576
  5. Step 5: Solve for x
    x = 54,354,110,130,576/4,712,840
  6. Step 6: Final answer
    x = 11,533,196.57

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.