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Finding the Third Proportional to 4,803,036.75 and 7,428,999.38

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Solution

The third proportional to 4,803,036.75 and 7,428,999.38 is: 11,490,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803,036.75 : 7,428,999.38 = 7,428,999.38 : x
  2. Step 2: Convert to fraction form
    4,803,036.75/7,428,999.38 = 7,428,999.38/x
  3. Step 3: Cross multiply
    4,803,036.75x = 7,428,999.38 × 7,428,999.38
  4. Step 4: Simplify right side
    4,803,036.75x = 55,190,031,713,750.39
  5. Step 5: Solve for x
    x = 55,190,031,713,750.39/4,803,036.75
  6. Step 6: Final answer
    x = 11,490,653.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.