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Finding the Third Proportional to 86,533,634 and 129,530,883

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Solution

The third proportional to 86,533,634 and 129,530,883 is: 193,892,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,533,634 : 129,530,883 = 129,530,883 : x
  2. Step 2: Convert to fraction form
    86,533,634/129,530,883 = 129,530,883/x
  3. Step 3: Cross multiply
    86,533,634x = 129,530,883 × 129,530,883
  4. Step 4: Simplify right side
    86,533,634x = 16,778,249,650,759,688
  5. Step 5: Solve for x
    x = 16,778,249,650,759,688/86,533,634
  6. Step 6: Final answer
    x = 193,892,812.25

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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.