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Finding the Third Proportional to 8,874,128 and 12,681,336

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Solution

The third proportional to 8,874,128 and 12,681,336 is: 18,121,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874,128 : 12,681,336 = 12,681,336 : x
  2. Step 2: Convert to fraction form
    8,874,128/12,681,336 = 12,681,336/x
  3. Step 3: Cross multiply
    8,874,128x = 12,681,336 × 12,681,336
  4. Step 4: Simplify right side
    8,874,128x = 160,816,282,744,896
  5. Step 5: Solve for x
    x = 160,816,282,744,896/8,874,128
  6. Step 6: Final answer
    x = 18,121,925.08

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.