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Finding the Third Proportional to 2,988,798.75 and 6,190,264.69

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Solution

The third proportional to 2,988,798.75 and 6,190,264.69 is: 12,820,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,798.75 : 6,190,264.69 = 6,190,264.69 : x
  2. Step 2: Convert to fraction form
    2,988,798.75/6,190,264.69 = 6,190,264.69/x
  3. Step 3: Cross multiply
    2,988,798.75x = 6,190,264.69 × 6,190,264.69
  4. Step 4: Simplify right side
    2,988,798.75x = 38,319,376,901,309.47
  5. Step 5: Solve for x
    x = 38,319,376,901,309.47/2,988,798.75
  6. Step 6: Final answer
    x = 12,820,996.03

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.