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Finding the Third Proportional to 66,885,046 and 103,371,263

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Solution

The third proportional to 66,885,046 and 103,371,263 is: 159,760,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885,046 : 103,371,263 = 103,371,263 : x
  2. Step 2: Convert to fraction form
    66,885,046/103,371,263 = 103,371,263/x
  3. Step 3: Cross multiply
    66,885,046x = 103,371,263 × 103,371,263
  4. Step 4: Simplify right side
    66,885,046x = 10,685,618,014,215,168
  5. Step 5: Solve for x
    x = 10,685,618,014,215,168/66,885,046
  6. Step 6: Final answer
    x = 159,760,942.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.