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Finding the Third Proportional to 7,301,085.19 and 11,349,866.81

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Solution

The third proportional to 7,301,085.19 and 11,349,866.81 is: 17,643,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301,085.19 : 11,349,866.81 = 11,349,866.81 : x
  2. Step 2: Convert to fraction form
    7,301,085.19/11,349,866.81 = 11,349,866.81/x
  3. Step 3: Cross multiply
    7,301,085.19x = 11,349,866.81 × 11,349,866.81
  4. Step 4: Simplify right side
    7,301,085.19x = 128,819,476,661,488.91
  5. Step 5: Solve for x
    x = 128,819,476,661,488.91/7,301,085.19
  6. Step 6: Final answer
    x = 17,643,880.79

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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.