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Finding the Third Proportional to 43,068,420 and 64,634,130

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Solution

The third proportional to 43,068,420 and 64,634,130 is: 96,998,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068,420 : 64,634,130 = 64,634,130 : x
  2. Step 2: Convert to fraction form
    43,068,420/64,634,130 = 64,634,130/x
  3. Step 3: Cross multiply
    43,068,420x = 64,634,130 × 64,634,130
  4. Step 4: Simplify right side
    43,068,420x = 4,177,570,760,856,900
  5. Step 5: Solve for x
    x = 4,177,570,760,856,900/43,068,420
  6. Step 6: Final answer
    x = 96,998,468.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.