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Finding the Third Proportional to 12,857,196 and 26,779,488

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Solution

The third proportional to 12,857,196 and 26,779,488 is: 55,777,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,196 : 26,779,488 = 26,779,488 : x
  2. Step 2: Convert to fraction form
    12,857,196/26,779,488 = 26,779,488/x
  3. Step 3: Cross multiply
    12,857,196x = 26,779,488 × 26,779,488
  4. Step 4: Simplify right side
    12,857,196x = 717,140,977,542,144
  5. Step 5: Solve for x
    x = 717,140,977,542,144/12,857,196
  6. Step 6: Final answer
    x = 55,777,401.04

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.