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Finding the Third Proportional to 63,990,440 and 103,045,692

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Solution

The third proportional to 63,990,440 and 103,045,692 is: 165,937,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,990,440 : 103,045,692 = 103,045,692 : x
  2. Step 2: Convert to fraction form
    63,990,440/103,045,692 = 103,045,692/x
  3. Step 3: Cross multiply
    63,990,440x = 103,045,692 × 103,045,692
  4. Step 4: Simplify right side
    63,990,440x = 10,618,414,639,758,864
  5. Step 5: Solve for x
    x = 10,618,414,639,758,864/63,990,440
  6. Step 6: Final answer
    x = 165,937,515.66

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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.