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Finding the Third Proportional to 7,047,820.13 and 15,389,979.75

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Solution

The third proportional to 7,047,820.13 and 15,389,979.75 is: 33,606,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,820.13 : 15,389,979.75 = 15,389,979.75 : x
  2. Step 2: Convert to fraction form
    7,047,820.13/15,389,979.75 = 15,389,979.75/x
  3. Step 3: Cross multiply
    7,047,820.13x = 15,389,979.75 × 15,389,979.75
  4. Step 4: Simplify right side
    7,047,820.13x = 236,851,476,705,410.06
  5. Step 5: Solve for x
    x = 236,851,476,705,410.06/7,047,820.13
  6. Step 6: Final answer
    x = 33,606,345.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.