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Finding the Third Proportional to 4,147,612.31 and 8,626,312.13

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Solution

The third proportional to 4,147,612.31 and 8,626,312.13 is: 17,941,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147,612.31 : 8,626,312.13 = 8,626,312.13 : x
  2. Step 2: Convert to fraction form
    4,147,612.31/8,626,312.13 = 8,626,312.13/x
  3. Step 3: Cross multiply
    4,147,612.31x = 8,626,312.13 × 8,626,312.13
  4. Step 4: Simplify right side
    4,147,612.31x = 74,413,260,877,922.02
  5. Step 5: Solve for x
    x = 74,413,260,877,922.02/4,147,612.31
  6. Step 6: Final answer
    x = 17,941,228.66

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.