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Finding the Third Proportional to 488,985.19 and 1,071,388.69

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Solution

The third proportional to 488,985.19 and 1,071,388.69 is: 2,347,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,985.19 : 1,071,388.69 = 1,071,388.69 : x
  2. Step 2: Convert to fraction form
    488,985.19/1,071,388.69 = 1,071,388.69/x
  3. Step 3: Cross multiply
    488,985.19x = 1,071,388.69 × 1,071,388.69
  4. Step 4: Simplify right side
    488,985.19x = 1,147,873,719,702.97
  5. Step 5: Solve for x
    x = 1,147,873,719,702.97/488,985.19
  6. Step 6: Final answer
    x = 2,347,461.13

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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.