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Finding the Third Proportional to 19,881,321 and 43,484,178

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Solution

The third proportional to 19,881,321 and 43,484,178 is: 95,108,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881,321 : 43,484,178 = 43,484,178 : x
  2. Step 2: Convert to fraction form
    19,881,321/43,484,178 = 43,484,178/x
  3. Step 3: Cross multiply
    19,881,321x = 43,484,178 × 43,484,178
  4. Step 4: Simplify right side
    19,881,321x = 1,890,873,736,335,684
  5. Step 5: Solve for x
    x = 1,890,873,736,335,684/19,881,321
  6. Step 6: Final answer
    x = 95,108,053.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.