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Finding the Third Proportional to 12,913,830 and 28,346,766

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Solution

The third proportional to 12,913,830 and 28,346,766 is: 62,223,147.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,830 : 28,346,766 = 28,346,766 : x
  2. Step 2: Convert to fraction form
    12,913,830/28,346,766 = 28,346,766/x
  3. Step 3: Cross multiply
    12,913,830x = 28,346,766 × 28,346,766
  4. Step 4: Simplify right side
    12,913,830x = 803,539,142,658,756
  5. Step 5: Solve for x
    x = 803,539,142,658,756/12,913,830
  6. Step 6: Final answer
    x = 62,223,147.02

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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.