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Finding the Third Proportional to 4,032,840 and 8,860,776

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Solution

The third proportional to 4,032,840 and 8,860,776 is: 19,468,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,032,840 : 8,860,776 = 8,860,776 : x
  2. Step 2: Convert to fraction form
    4,032,840/8,860,776 = 8,860,776/x
  3. Step 3: Cross multiply
    4,032,840x = 8,860,776 × 8,860,776
  4. Step 4: Simplify right side
    4,032,840x = 78,513,351,322,176
  5. Step 5: Solve for x
    x = 78,513,351,322,176/4,032,840
  6. Step 6: Final answer
    x = 19,468,501.43

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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.