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Finding the Third Proportional to 8,466,315.75 and 12,778,833.38

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Solution

The third proportional to 8,466,315.75 and 12,778,833.38 is: 19,288,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466,315.75 : 12,778,833.38 = 12,778,833.38 : x
  2. Step 2: Convert to fraction form
    8,466,315.75/12,778,833.38 = 12,778,833.38/x
  3. Step 3: Cross multiply
    8,466,315.75x = 12,778,833.38 × 12,778,833.38
  4. Step 4: Simplify right side
    8,466,315.75x = 163,298,582,426,013.88
  5. Step 5: Solve for x
    x = 163,298,582,426,013.88/8,466,315.75
  6. Step 6: Final answer
    x = 19,288,033.57

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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.