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Finding the Third Proportional to 42,416,808 and 67,273,128

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Solution

The third proportional to 42,416,808 and 67,273,128 is: 106,695,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,416,808 : 67,273,128 = 67,273,128 : x
  2. Step 2: Convert to fraction form
    42,416,808/67,273,128 = 67,273,128/x
  3. Step 3: Cross multiply
    42,416,808x = 67,273,128 × 67,273,128
  4. Step 4: Simplify right side
    42,416,808x = 4,525,673,750,904,384
  5. Step 5: Solve for x
    x = 4,525,673,750,904,384/42,416,808
  6. Step 6: Final answer
    x = 106,695,292.84

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.