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Finding the Third Proportional to 63,990,438 and 103,045,689

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Solution

The third proportional to 63,990,438 and 103,045,689 is: 165,937,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,990,438 : 103,045,689 = 103,045,689 : x
  2. Step 2: Convert to fraction form
    63,990,438/103,045,689 = 103,045,689/x
  3. Step 3: Cross multiply
    63,990,438x = 103,045,689 × 103,045,689
  4. Step 4: Simplify right side
    63,990,438x = 10,618,414,021,484,720
  5. Step 5: Solve for x
    x = 10,618,414,021,484,720/63,990,438
  6. Step 6: Final answer
    x = 165,937,511.19

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.