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Finding the Third Proportional to 372,588,015 and 812,851,686

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Solution

The third proportional to 372,588,015 and 812,851,686 is: 1,773,347,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,588,015 : 812,851,686 = 812,851,686 : x
  2. Step 2: Convert to fraction form
    372,588,015/812,851,686 = 812,851,686/x
  3. Step 3: Cross multiply
    372,588,015x = 812,851,686 × 812,851,686
  4. Step 4: Simplify right side
    372,588,015x = 660,727,863,433,042,560
  5. Step 5: Solve for x
    x = 660,727,863,433,042,560/372,588,015
  6. Step 6: Final answer
    x = 1,773,347,066.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.