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Finding the Third Proportional to 713,212 and 1,538,775.50

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Solution

The third proportional to 713,212 and 1,538,775.50 is: 3,319,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,212 : 1,538,775.50 = 1,538,775.50 : x
  2. Step 2: Convert to fraction form
    713,212/1,538,775.50 = 1,538,775.50/x
  3. Step 3: Cross multiply
    713,212x = 1,538,775.50 × 1,538,775.50
  4. Step 4: Simplify right side
    713,212x = 2,367,830,039,400.25
  5. Step 5: Solve for x
    x = 2,367,830,039,400.25/713,212
  6. Step 6: Final answer
    x = 3,319,952.61

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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.