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Finding the Third Proportional to 39,291,205.50 and 82,654,461

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Solution

The third proportional to 39,291,205.50 and 82,654,461 is: 173,875,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,291,205.50 : 82,654,461 = 82,654,461 : x
  2. Step 2: Convert to fraction form
    39,291,205.50/82,654,461 = 82,654,461/x
  3. Step 3: Cross multiply
    39,291,205.50x = 82,654,461 × 82,654,461
  4. Step 4: Simplify right side
    39,291,205.50x = 6,831,759,923,200,521
  5. Step 5: Solve for x
    x = 6,831,759,923,200,521/39,291,205.50
  6. Step 6: Final answer
    x = 173,875,039.88

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.