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Finding the Third Proportional to 64,641,975.75 and 139,539,523.50

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Solution

The third proportional to 64,641,975.75 and 139,539,523.50 is: 301,217,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,641,975.75 : 139,539,523.50 = 139,539,523.50 : x
  2. Step 2: Convert to fraction form
    64,641,975.75/139,539,523.50 = 139,539,523.50/x
  3. Step 3: Cross multiply
    64,641,975.75x = 139,539,523.50 × 139,539,523.50
  4. Step 4: Simplify right side
    64,641,975.75x = 19,471,278,618,607,052
  5. Step 5: Solve for x
    x = 19,471,278,618,607,052/64,641,975.75
  6. Step 6: Final answer
    x = 301,217,256.94

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.