Home / 12,576,432.38-18,927,696.38

Finding the Third Proportional to 12,576,432.38 and 18,927,696.38

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Solution

The third proportional to 12,576,432.38 and 18,927,696.38 is: 28,486,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,432.38 : 18,927,696.38 = 18,927,696.38 : x
  2. Step 2: Convert to fraction form
    12,576,432.38/18,927,696.38 = 18,927,696.38/x
  3. Step 3: Cross multiply
    12,576,432.38x = 18,927,696.38 × 18,927,696.38
  4. Step 4: Simplify right side
    12,576,432.38x = 358,257,690,064,188.12
  5. Step 5: Solve for x
    x = 358,257,690,064,188.12/12,576,432.38
  6. Step 6: Final answer
    x = 28,486,432.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.