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Finding the Third Proportional to 163,755,476 and 356,208,712

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Solution

The third proportional to 163,755,476 and 356,208,712 is: 774,842,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,755,476 : 356,208,712 = 356,208,712 : x
  2. Step 2: Convert to fraction form
    163,755,476/356,208,712 = 356,208,712/x
  3. Step 3: Cross multiply
    163,755,476x = 356,208,712 × 356,208,712
  4. Step 4: Simplify right side
    163,755,476x = 126,884,646,504,698,944
  5. Step 5: Solve for x
    x = 126,884,646,504,698,944/163,755,476
  6. Step 6: Final answer
    x = 774,842,158.59

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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.