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Finding the Third Proportional to 8,346,710.81 and 18,121,035.23

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Solution

The third proportional to 8,346,710.81 and 18,121,035.23 is: 39,341,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346,710.81 : 18,121,035.23 = 18,121,035.23 : x
  2. Step 2: Convert to fraction form
    8,346,710.81/18,121,035.23 = 18,121,035.23/x
  3. Step 3: Cross multiply
    8,346,710.81x = 18,121,035.23 × 18,121,035.23
  4. Step 4: Simplify right side
    8,346,710.81x = 328,371,917,965,460.19
  5. Step 5: Solve for x
    x = 328,371,917,965,460.19/8,346,710.81
  6. Step 6: Final answer
    x = 39,341,475.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.