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Finding the Third Proportional to 71,072,885 and 107,484,128

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Solution

The third proportional to 71,072,885 and 107,484,128 is: 162,549,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072,885 : 107,484,128 = 107,484,128 : x
  2. Step 2: Convert to fraction form
    71,072,885/107,484,128 = 107,484,128/x
  3. Step 3: Cross multiply
    71,072,885x = 107,484,128 × 107,484,128
  4. Step 4: Simplify right side
    71,072,885x = 11,552,837,771,920,384
  5. Step 5: Solve for x
    x = 11,552,837,771,920,384/71,072,885
  6. Step 6: Final answer
    x = 162,549,160.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.