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Finding the Third Proportional to 8,979,768 and 19,698,048

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Solution

The third proportional to 8,979,768 and 19,698,048 is: 43,209,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,768 : 19,698,048 = 19,698,048 : x
  2. Step 2: Convert to fraction form
    8,979,768/19,698,048 = 19,698,048/x
  3. Step 3: Cross multiply
    8,979,768x = 19,698,048 × 19,698,048
  4. Step 4: Simplify right side
    8,979,768x = 388,013,095,010,304
  5. Step 5: Solve for x
    x = 388,013,095,010,304/8,979,768
  6. Step 6: Final answer
    x = 43,209,701.52

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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.