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Finding the Third Proportional to 63,021,474 and 136,798,668

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Solution

The third proportional to 63,021,474 and 136,798,668 is: 296,944,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021,474 : 136,798,668 = 136,798,668 : x
  2. Step 2: Convert to fraction form
    63,021,474/136,798,668 = 136,798,668/x
  3. Step 3: Cross multiply
    63,021,474x = 136,798,668 × 136,798,668
  4. Step 4: Simplify right side
    63,021,474x = 18,713,875,566,574,224
  5. Step 5: Solve for x
    x = 18,713,875,566,574,224/63,021,474
  6. Step 6: Final answer
    x = 296,944,428.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.