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Finding the Third Proportional to 8,874,160 and 12,681,388

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Solution

The third proportional to 8,874,160 and 12,681,388 is: 18,122,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874,160 : 12,681,388 = 12,681,388 : x
  2. Step 2: Convert to fraction form
    8,874,160/12,681,388 = 12,681,388/x
  3. Step 3: Cross multiply
    8,874,160x = 12,681,388 × 12,681,388
  4. Step 4: Simplify right side
    8,874,160x = 160,817,601,606,544
  5. Step 5: Solve for x
    x = 160,817,601,606,544/8,874,160
  6. Step 6: Final answer
    x = 18,122,008.35

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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.