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Finding the Third Proportional to 8,874,153 and 12,681,370

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Solution

The third proportional to 8,874,153 and 12,681,370 is: 18,121,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874,153 : 12,681,370 = 12,681,370 : x
  2. Step 2: Convert to fraction form
    8,874,153/12,681,370 = 12,681,370/x
  3. Step 3: Cross multiply
    8,874,153x = 12,681,370 × 12,681,370
  4. Step 4: Simplify right side
    8,874,153x = 160,817,145,076,900
  5. Step 5: Solve for x
    x = 160,817,145,076,900/8,874,153
  6. Step 6: Final answer
    x = 18,121,971.20

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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.