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Finding the Third Proportional to 615,993,275.25 and 939,505,045.22

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Solution

The third proportional to 615,993,275.25 and 939,505,045.22 is: 1,432,921,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,993,275.25 : 939,505,045.22 = 939,505,045.22 : x
  2. Step 2: Convert to fraction form
    615,993,275.25/939,505,045.22 = 939,505,045.22/x
  3. Step 3: Cross multiply
    615,993,275.25x = 939,505,045.22 × 939,505,045.22
  4. Step 4: Simplify right side
    615,993,275.25x = 882,669,729,991,485,440
  5. Step 5: Solve for x
    x = 882,669,729,991,485,440/615,993,275.25
  6. Step 6: Final answer
    x = 1,432,921,048.75

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.