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Finding the Third Proportional to 3,130,648.31 and 4,789,080.07

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Solution

The third proportional to 3,130,648.31 and 4,789,080.07 is: 7,326,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,648.31 : 4,789,080.07 = 4,789,080.07 : x
  2. Step 2: Convert to fraction form
    3,130,648.31/4,789,080.07 = 4,789,080.07/x
  3. Step 3: Cross multiply
    3,130,648.31x = 4,789,080.07 × 4,789,080.07
  4. Step 4: Simplify right side
    3,130,648.31x = 22,935,287,919,864.38
  5. Step 5: Solve for x
    x = 22,935,287,919,864.38/3,130,648.31
  6. Step 6: Final answer
    x = 7,326,050.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.