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Finding the Third Proportional to 39,782,428 and 86,960,396

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Solution

The third proportional to 39,782,428 and 86,960,396 is: 190,086,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,782,428 : 86,960,396 = 86,960,396 : x
  2. Step 2: Convert to fraction form
    39,782,428/86,960,396 = 86,960,396/x
  3. Step 3: Cross multiply
    39,782,428x = 86,960,396 × 86,960,396
  4. Step 4: Simplify right side
    39,782,428x = 7,562,110,472,476,816
  5. Step 5: Solve for x
    x = 7,562,110,472,476,816/39,782,428
  6. Step 6: Final answer
    x = 190,086,700.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.