Home / 12,146,871.38-18,626,294.25

Finding the Third Proportional to 12,146,871.38 and 18,626,294.25

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Solution

The third proportional to 12,146,871.38 and 18,626,294.25 is: 28,561,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,871.38 : 18,626,294.25 = 18,626,294.25 : x
  2. Step 2: Convert to fraction form
    12,146,871.38/18,626,294.25 = 18,626,294.25/x
  3. Step 3: Cross multiply
    12,146,871.38x = 18,626,294.25 × 18,626,294.25
  4. Step 4: Simplify right side
    12,146,871.38x = 346,938,837,487,583.06
  5. Step 5: Solve for x
    x = 346,938,837,487,583.06/12,146,871.38
  6. Step 6: Final answer
    x = 28,561,991.54

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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.