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Finding the Third Proportional to 8,912,028 and 12,992,490

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Solution

The third proportional to 8,912,028 and 12,992,490 is: 18,941,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,028 : 12,992,490 = 12,992,490 : x
  2. Step 2: Convert to fraction form
    8,912,028/12,992,490 = 12,992,490/x
  3. Step 3: Cross multiply
    8,912,028x = 12,992,490 × 12,992,490
  4. Step 4: Simplify right side
    8,912,028x = 168,804,796,400,100
  5. Step 5: Solve for x
    x = 168,804,796,400,100/8,912,028
  6. Step 6: Final answer
    x = 18,941,232.73

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.