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Finding the Third Proportional to 380,712,649.50 and 513,670,752

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Solution

The third proportional to 380,712,649.50 and 513,670,752 is: 693,062,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,712,649.50 : 513,670,752 = 513,670,752 : x
  2. Step 2: Convert to fraction form
    380,712,649.50/513,670,752 = 513,670,752/x
  3. Step 3: Cross multiply
    380,712,649.50x = 513,670,752 × 513,670,752
  4. Step 4: Simplify right side
    380,712,649.50x = 263,857,641,460,245,504
  5. Step 5: Solve for x
    x = 263,857,641,460,245,504/380,712,649.50
  6. Step 6: Final answer
    x = 693,062,449.61

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.