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Finding the Third Proportional to 9,929,957.25 and 21,427,479

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Solution

The third proportional to 9,929,957.25 and 21,427,479 is: 46,237,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929,957.25 : 21,427,479 = 21,427,479 : x
  2. Step 2: Convert to fraction form
    9,929,957.25/21,427,479 = 21,427,479/x
  3. Step 3: Cross multiply
    9,929,957.25x = 21,427,479 × 21,427,479
  4. Step 4: Simplify right side
    9,929,957.25x = 459,136,856,295,441
  5. Step 5: Solve for x
    x = 459,136,856,295,441/9,929,957.25
  6. Step 6: Final answer
    x = 46,237,546.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.