Home / 309,275,461,518.04-665,817,840,971.55

Finding the Third Proportional to 309,275,461,518.04 and 665,817,840,971.55

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Solution

The third proportional to 309,275,461,518.04 and 665,817,840,971.55 is: 1,433,393,374,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,275,461,518.04 : 665,817,840,971.55 = 665,817,840,971.55 : x
  2. Step 2: Convert to fraction form
    309,275,461,518.04/665,817,840,971.55 = 665,817,840,971.55/x
  3. Step 3: Cross multiply
    309,275,461,518.04x = 665,817,840,971.55 × 665,817,840,971.55
  4. Step 4: Simplify right side
    309,275,461,518.04x = 443,313,397,356,016,282,107,904
  5. Step 5: Solve for x
    x = 443,313,397,356,016,282,107,904/309,275,461,518.04
  6. Step 6: Final answer
    x = 1,433,393,374,243.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.