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Finding the Third Proportional to 66,763,385.25 and 142,345,299

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Solution

The third proportional to 66,763,385.25 and 142,345,299 is: 303,492,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,763,385.25 : 142,345,299 = 142,345,299 : x
  2. Step 2: Convert to fraction form
    66,763,385.25/142,345,299 = 142,345,299/x
  3. Step 3: Cross multiply
    66,763,385.25x = 142,345,299 × 142,345,299
  4. Step 4: Simplify right side
    66,763,385.25x = 20,262,184,147,399,400
  5. Step 5: Solve for x
    x = 20,262,184,147,399,400/66,763,385.25
  6. Step 6: Final answer
    x = 303,492,461.80

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.