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Finding the Third Proportional to 5,921,211 and 12,956,862

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Solution

The third proportional to 5,921,211 and 12,956,862 is: 28,352,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921,211 : 12,956,862 = 12,956,862 : x
  2. Step 2: Convert to fraction form
    5,921,211/12,956,862 = 12,956,862/x
  3. Step 3: Cross multiply
    5,921,211x = 12,956,862 × 12,956,862
  4. Step 4: Simplify right side
    5,921,211x = 167,880,272,887,044
  5. Step 5: Solve for x
    x = 167,880,272,887,044/5,921,211
  6. Step 6: Final answer
    x = 28,352,354.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.