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Finding the Third Proportional to 7,119,122 and 14,742,940

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Solution

The third proportional to 7,119,122 and 14,742,940 is: 30,531,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,122 : 14,742,940 = 14,742,940 : x
  2. Step 2: Convert to fraction form
    7,119,122/14,742,940 = 14,742,940/x
  3. Step 3: Cross multiply
    7,119,122x = 14,742,940 × 14,742,940
  4. Step 4: Simplify right side
    7,119,122x = 217,354,279,843,600
  5. Step 5: Solve for x
    x = 217,354,279,843,600/7,119,122
  6. Step 6: Final answer
    x = 30,531,051.42

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.