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Finding the Third Proportional to 319,763,566 and 699,704,988

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Solution

The third proportional to 319,763,566 and 699,704,988 is: 1,531,090,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,763,566 : 699,704,988 = 699,704,988 : x
  2. Step 2: Convert to fraction form
    319,763,566/699,704,988 = 699,704,988/x
  3. Step 3: Cross multiply
    319,763,566x = 699,704,988 × 699,704,988
  4. Step 4: Simplify right side
    319,763,566x = 489,587,070,232,080,128
  5. Step 5: Solve for x
    x = 489,587,070,232,080,128/319,763,566
  6. Step 6: Final answer
    x = 1,531,090,850.52

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.