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Finding the Third Proportional to 8,122,428 and 12,185,262

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Solution

The third proportional to 8,122,428 and 12,185,262 is: 18,280,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,428 : 12,185,262 = 12,185,262 : x
  2. Step 2: Convert to fraction form
    8,122,428/12,185,262 = 12,185,262/x
  3. Step 3: Cross multiply
    8,122,428x = 12,185,262 × 12,185,262
  4. Step 4: Simplify right side
    8,122,428x = 148,480,610,008,644
  5. Step 5: Solve for x
    x = 148,480,610,008,644/8,122,428
  6. Step 6: Final answer
    x = 18,280,323.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.