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Finding the Third Proportional to 79,768,716 and 173,513,508

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Solution

The third proportional to 79,768,716 and 173,513,508 is: 377,427,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,768,716 : 173,513,508 = 173,513,508 : x
  2. Step 2: Convert to fraction form
    79,768,716/173,513,508 = 173,513,508/x
  3. Step 3: Cross multiply
    79,768,716x = 173,513,508 × 173,513,508
  4. Step 4: Simplify right side
    79,768,716x = 30,106,937,458,466,064
  5. Step 5: Solve for x
    x = 30,106,937,458,466,064/79,768,716
  6. Step 6: Final answer
    x = 377,427,881.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.