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Finding the Third Proportional to 4,620,265.31 and 7,182,407.53

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Solution

The third proportional to 4,620,265.31 and 7,182,407.53 is: 11,165,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620,265.31 : 7,182,407.53 = 7,182,407.53 : x
  2. Step 2: Convert to fraction form
    4,620,265.31/7,182,407.53 = 7,182,407.53/x
  3. Step 3: Cross multiply
    4,620,265.31x = 7,182,407.53 × 7,182,407.53
  4. Step 4: Simplify right side
    4,620,265.31x = 51,586,977,944,956.72
  5. Step 5: Solve for x
    x = 51,586,977,944,956.72/4,620,265.31
  6. Step 6: Final answer
    x = 11,165,371.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.