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Finding the Third Proportional to 66,026,984 and 155,358,698

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Solution

The third proportional to 66,026,984 and 155,358,698 is: 365,552,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,026,984 : 155,358,698 = 155,358,698 : x
  2. Step 2: Convert to fraction form
    66,026,984/155,358,698 = 155,358,698/x
  3. Step 3: Cross multiply
    66,026,984x = 155,358,698 × 155,358,698
  4. Step 4: Simplify right side
    66,026,984x = 24,136,325,044,255,204
  5. Step 5: Solve for x
    x = 24,136,325,044,255,204/66,026,984
  6. Step 6: Final answer
    x = 365,552,439.05

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.