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Finding the Third Proportional to 98,889,474 and 145,475,451

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Solution

The third proportional to 98,889,474 and 145,475,451 is: 214,007,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,889,474 : 145,475,451 = 145,475,451 : x
  2. Step 2: Convert to fraction form
    98,889,474/145,475,451 = 145,475,451/x
  3. Step 3: Cross multiply
    98,889,474x = 145,475,451 × 145,475,451
  4. Step 4: Simplify right side
    98,889,474x = 21,163,106,843,653,400
  5. Step 5: Solve for x
    x = 21,163,106,843,653,400/98,889,474
  6. Step 6: Final answer
    x = 214,007,679.36

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.