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Finding the Third Proportional to 15,885,437.25 and 34,684,039.50

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Solution

The third proportional to 15,885,437.25 and 34,684,039.50 is: 75,728,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885,437.25 : 34,684,039.50 = 34,684,039.50 : x
  2. Step 2: Convert to fraction form
    15,885,437.25/34,684,039.50 = 34,684,039.50/x
  3. Step 3: Cross multiply
    15,885,437.25x = 34,684,039.50 × 34,684,039.50
  4. Step 4: Simplify right side
    15,885,437.25x = 1,202,982,596,037,560.25
  5. Step 5: Solve for x
    x = 1,202,982,596,037,560.25/15,885,437.25
  6. Step 6: Final answer
    x = 75,728,642.35

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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.