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Finding the Third Proportional to 261,076,296 and 391,614,444

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Solution

The third proportional to 261,076,296 and 391,614,444 is: 587,421,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,076,296 : 391,614,444 = 391,614,444 : x
  2. Step 2: Convert to fraction form
    261,076,296/391,614,444 = 391,614,444/x
  3. Step 3: Cross multiply
    261,076,296x = 391,614,444 × 391,614,444
  4. Step 4: Simplify right side
    261,076,296x = 153,361,872,749,429,120
  5. Step 5: Solve for x
    x = 153,361,872,749,429,120/261,076,296
  6. Step 6: Final answer
    x = 587,421,666.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.