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Finding the Third Proportional to 162,071,449.88 and 354,880,455.75

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Solution

The third proportional to 162,071,449.88 and 354,880,455.75 is: 777,065,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,071,449.88 : 354,880,455.75 = 354,880,455.75 : x
  2. Step 2: Convert to fraction form
    162,071,449.88/354,880,455.75 = 354,880,455.75/x
  3. Step 3: Cross multiply
    162,071,449.88x = 354,880,455.75 × 354,880,455.75
  4. Step 4: Simplify right side
    162,071,449.88x = 125,940,137,873,327,712
  5. Step 5: Solve for x
    x = 125,940,137,873,327,712/162,071,449.88
  6. Step 6: Final answer
    x = 777,065,534.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.