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Finding the Third Proportional to 766,080 and 1,212,471

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Solution

The third proportional to 766,080 and 1,212,471 is: 1,918,971.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,080 : 1,212,471 = 1,212,471 : x
  2. Step 2: Convert to fraction form
    766,080/1,212,471 = 1,212,471/x
  3. Step 3: Cross multiply
    766,080x = 1,212,471 × 1,212,471
  4. Step 4: Simplify right side
    766,080x = 1,470,085,925,841
  5. Step 5: Solve for x
    x = 1,470,085,925,841/766,080
  6. Step 6: Final answer
    x = 1,918,971.81

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.