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Finding the Third Proportional to 130,479,968 and 207,291,408

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Solution

The third proportional to 130,479,968 and 207,291,408 is: 329,320,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,479,968 : 207,291,408 = 207,291,408 : x
  2. Step 2: Convert to fraction form
    130,479,968/207,291,408 = 207,291,408/x
  3. Step 3: Cross multiply
    130,479,968x = 207,291,408 × 207,291,408
  4. Step 4: Simplify right side
    130,479,968x = 42,969,727,830,622,464
  5. Step 5: Solve for x
    x = 42,969,727,830,622,464/130,479,968
  6. Step 6: Final answer
    x = 329,320,496.39

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.