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Finding the Third Proportional to 39,364,240 and 55,409,304

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Solution

The third proportional to 39,364,240 and 55,409,304 is: 77,994,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364,240 : 55,409,304 = 55,409,304 : x
  2. Step 2: Convert to fraction form
    39,364,240/55,409,304 = 55,409,304/x
  3. Step 3: Cross multiply
    39,364,240x = 55,409,304 × 55,409,304
  4. Step 4: Simplify right side
    39,364,240x = 3,070,190,969,764,416
  5. Step 5: Solve for x
    x = 3,070,190,969,764,416/39,364,240
  6. Step 6: Final answer
    x = 77,994,417.52

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.