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Finding the Third Proportional to 8,745,240 and 19,212,216

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Solution

The third proportional to 8,745,240 and 19,212,216 is: 42,206,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,240 : 19,212,216 = 19,212,216 : x
  2. Step 2: Convert to fraction form
    8,745,240/19,212,216 = 19,212,216/x
  3. Step 3: Cross multiply
    8,745,240x = 19,212,216 × 19,212,216
  4. Step 4: Simplify right side
    8,745,240x = 369,109,243,630,656
  5. Step 5: Solve for x
    x = 369,109,243,630,656/8,745,240
  6. Step 6: Final answer
    x = 42,206,874.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.