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Finding the Third Proportional to 543,346,940.25 and 847,305,461.25

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Solution

The third proportional to 543,346,940.25 and 847,305,461.25 is: 1,321,304,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,346,940.25 : 847,305,461.25 = 847,305,461.25 : x
  2. Step 2: Convert to fraction form
    543,346,940.25/847,305,461.25 = 847,305,461.25/x
  3. Step 3: Cross multiply
    543,346,940.25x = 847,305,461.25 × 847,305,461.25
  4. Step 4: Simplify right side
    543,346,940.25x = 717,926,544,664,075,264
  5. Step 5: Solve for x
    x = 717,926,544,664,075,264/543,346,940.25
  6. Step 6: Final answer
    x = 1,321,304,108.81

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.