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Finding the Third Proportional to 8,516,420,950 and 18,638,312,044

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Solution

The third proportional to 8,516,420,950 and 18,638,312,044 is: 40,790,219,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,420,950 : 18,638,312,044 = 18,638,312,044 : x
  2. Step 2: Convert to fraction form
    8,516,420,950/18,638,312,044 = 18,638,312,044/x
  3. Step 3: Cross multiply
    8,516,420,950x = 18,638,312,044 × 18,638,312,044
  4. Step 4: Simplify right side
    8,516,420,950x = 347,386,675,849,515,433,984
  5. Step 5: Solve for x
    x = 347,386,675,849,515,433,984/8,516,420,950
  6. Step 6: Final answer
    x = 40,790,219,023.82

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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.