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Finding the Third Proportional to 85,288,056.75 and 121,878,612

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Solution

The third proportional to 85,288,056.75 and 121,878,612 is: 174,167,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,288,056.75 : 121,878,612 = 121,878,612 : x
  2. Step 2: Convert to fraction form
    85,288,056.75/121,878,612 = 121,878,612/x
  3. Step 3: Cross multiply
    85,288,056.75x = 121,878,612 × 121,878,612
  4. Step 4: Simplify right side
    85,288,056.75x = 14,854,396,063,046,544
  5. Step 5: Solve for x
    x = 14,854,396,063,046,544/85,288,056.75
  6. Step 6: Final answer
    x = 174,167,364.45

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.